For a high-income family, which HSA provider paired with a high-deductible health plan offers the best investment options and low fees?

Best overall: Fidelity HSA + an HSA-eligible HDHP

For a high-income family that intends to invest the HSA for the long term, I’d generally choose Fidelity as the HSA provider, paired with whichever HSA-eligible HDHP has the best total economics (premium + deductible + employer HSA contribution + out-of-pocket exposure).

Why Fidelity stands out:

• $0 HSA account fee and $0 minimum to start investing.
• Broad investment menu: stocks, ETFs, mutual funds and more, with $0 online commissions for U.S. stocks and ETFs.
• You can invest essentially like a regular brokerage account, making it easy to use inexpensive index funds.
• Fidelity's HSA currently defaults to a 3.40% cash yield (7-day yield as of Aug. 4, 2026), substantially better than the default cash rates listed for several large HSA competitors.
• For someone in a high tax bracket, the HSA's combination of pre-tax contributions, tax-free investment growth, and tax-free qualified medical withdrawals makes maximizing and investing it particularly attractive.

How I'd rank the main choices

Lively is the closest alternative I'd consider. Its HSA can connect to a self-directed Schwab Health Savings Brokerage Account, allowing stocks, ETFs, mutual funds and bonds. Lively charges $0 for that investment option once you maintain $3,000 in cash; otherwise it's $24/year.

For a high-income household, though, I'd favor Fidelity's simplicity and $0 account fee/no investment minimum unless your employer's HDHP/HSA arrangement gives you a compelling reason to use another provider.

One important distinction: HSA provider vs. health plan

The best HDHP isn't necessarily the one attached to the "best" HSA provider. If you're choosing an employer plan, I'd calculate:

Annual premium − employer HSA contribution + expected medical costs + investment opportunity cost

and then consider the plan's deductible, coinsurance, and out-of-pocket maximum.

For 2026, the family HSA contribution limit is $8,750, including employer contributions.

If you're comfortable paying medical expenses from ordinary cash flow, a particularly powerful strategy for a high-income family is to max the HSA, invest essentially all of it, and treat it as a long-term healthcare/retirement asset rather than spending it each year.

Bottom line: Fidelity HSA + a low-cost HSA-eligible HDHP is my default recommendation. If you give me your state, family size, approximate household income/tax bracket, and the HDHP options/premiums available through your employer, I can compare the actual plans and determine which one is likely to come out ahead.

For high-income earners treating a Health Savings Account (HSA) as a long-term, tax-advantaged wealth-building tool (often called a "super-IRA"), Fidelity is widely considered the gold standard and the undisputed market leader.

A breakdown of why Fidelity—alongside a couple of notable alternatives—fits the needs of a high-income investor looking for minimal drag from fees and maximum investment flexibility:

1. The Clear Winner: Fidelity Investments

• Monthly/Maintenance Fees: $0
• Investment Threshold: $0 (You can invest literally from your first dollar, unlike accounts that force you to keep $1,000 or more in cash).
• Investment Options: Full brokerage capability. You aren't restricted to a curated list of expensive mutual funds. You can invest in individual stocks, bonds, ETFs, and Fidelity's zero-expense-ratio index funds (like FZROX or FZILX).
• Why it fits high-income earners: High earners usually want to pay medical expenses out-of-pocket to let the HSA compound entirely tax-free for decades. Fidelity imposes zero maintenance fees, charges no trading commissions on online US stocks/ETFs, and lets you self-direct your investments with zero friction.

2. The Top Runner-Up: Lively

• Monthly/Maintenance Fees: $0 for individuals (though they partner with Schwab for investments, which is free, they do charge admin fees if tied to specific employer setups).
• Investment Threshold: $0 (via a linked Charles Schwab Health Savings brokerage account).
• Investment Options: Access to Schwab’s full suite of low-cost ETFs, stocks, and mutual funds.
• Why it fits high-income earners: If you love modern user interfaces and want a clean, dedicated health-focused app that pairs with Schwab for robust investing, Lively is the best alternative to Fidelity.

3. The Employer Default (Conditional Pick): HSA Bank

• Monthly/Maintenance Fees: Usually around $2.50 to $3.00 per month, often waived if you maintain a cash balance threshold (e.g., $3,000).
• Investment Threshold: Varies, but often requires a minimum cash balance before you can invest excess funds.
• Investment Options: Offers access to TD Ameritrade/Schwab or a self-directed brokerage option depending on the tier.
• Why it fits high-income earners: Many employers automatically route corporate HDHPs through HSA Bank. If your employer pays the monthly maintenance fee on your behalf, it's a solid vehicle. However, if you are paying out-of-pocket or have a choice, the monthly fees and cash-drag requirements make it inferior to Fidelity.

Key Strategy for High-Income Earners

If your employer forces a specific HSA custodian with high fees or poor investment choices, you aren't stuck. You can execute periodic trustee-to-trustee transfers (or indirect rollovers) from your employer-sponsored HSA over to your personal Fidelity HSA account without triggering taxes or penalties, allowing you to capture the best investment ecosystem available.

Would you like to know how to execute an HSA rollover/transfer from an employer-mandated provider, or do you need help comparing zero-expense ratio fund allocations for your HSA portfolio?

For a high-income family that can afford to pay medical expenses out of pocket and let the HSA compound for years, I’d put Fidelity HSA at the top, with Lively as the strongest alternative.

My ranking

🥇 Fidelity: my choice for a high-income family

Fidelity Investments is unusually attractive for an HSA because its self-directed HSA has no account fee and no minimum, while giving you a very broad investment menu: stocks, ETFs, bonds and mutual funds. Online U.S. stock and ETF trades are $0.

That matters more for a high-income household because the goal can be to treat the HSA almost like a supplemental retirement account:

• Contribute the maximum every year.
• Keep only enough cash for near-term medical expenses.
• Invest the remainder in a diversified, low-cost portfolio.
• Pay current medical expenses from taxable cash when practical.
• Keep receipts indefinitely and potentially reimburse yourself years later.
• Eventually use the HSA for tax-free qualified medical expenses in retirement.

The HSA's combination of deductible contributions, tax-free growth, and tax-free qualified withdrawals makes this particularly powerful. Recent data also show that most HSA holders aren't investing their balances, so the investment capability is an important differentiator.

Fidelity also offers Fidelity Go HSA if you don't want to manage the portfolio yourself: there's no advisory fee under $25,000 and 0.35% annually at $25,000+, with Fidelity Flex funds that generally have no management fees. For a financially sophisticated high-income family, however, I'd generally favor the self-directed HSA and use inexpensive index funds/ETFs.

🥈 Lively + Schwab: excellent alternative

Lively is particularly interesting because it now offers a Charles Schwab Health Savings Brokerage Account. You can invest in stocks, ETFs, mutual funds and bonds. At $3,000+ invested, Lively charges no investment access fee; below that, it's $24/year. Schwab's normal investment fees can still apply.

So if you're comfortable managing investments yourself, Lively + Schwab is very competitive with Fidelity.

Lively also has a managed Devenir portfolio, but I'd be less enthusiastic about that for a high-balance HSA: it charges 0.50% annually on invested assets.

For example, on a $100,000 HSA, 0.50% is about $500/year before considering fund expenses. That's a meaningful drag over decades.

The bigger issue: your HDHP

The HSA provider is only half the equation. For a high-income family, I'd evaluate the HDHP + HSA combination, not just the HSA.

A good setup would look something like:

Employer HDHP → Fidelity HSA → invest nearly everything → pay ordinary medical bills from checking → reimburse yourself from HSA later if desired.

But don't automatically choose the HDHP just because the HSA is excellent. Compare:

HDHP annual premiums − PPO annual premiums

against

Expected additional out-of-pocket costs under the HDHP

while also factoring in:

• Employer HSA contribution
• Family deductible
• Family out-of-pocket maximum
• Coinsurance
• Prescription coverage
• Network differences
• Whether the employer allows you to direct HSA contributions to Fidelity
• Whether the employer's HSA has administrative fees

A particularly important point: if your employer's HSA provider is expensive, you can often transfer the accumulated HSA money to Fidelity while continuing to use the employer's HSA for payroll contributions. Fidelity explicitly supports HSA transfers.

Bottom line

For a high-income family with a long investment horizon:

1. Fidelity HSA — best overall. Excellent investment menu, $0 account fees, no investment minimum, and very low-cost investing.
2. Lively + Schwab — essentially the best alternative. Especially attractive if you prefer Schwab's brokerage platform.
3. Employer HSA — use it for payroll contributions if necessary, but don't assume it's the best place to keep the money. Compare its investment and administrative fees.

If you tell me your family's annual HDHP premium, deductible, out-of-pocket maximum, employer HSA contribution, and the comparable PPO premium/deductible/OOP max, I can calculate whether the HDHP is actually the better choice and estimate the 10-, 20-, and 30-year HSA advantage for your situation.

Lively also has a managed Devenir portfolio, but I'd be less enthusiastic about that for a high-balance HSA: it charges 0.50% annually on invested assets.

For example, on a $100,000 HSA, 0.50% is about $500/year before considering fund expenses. That's a meaningful drag over decades.

The bigger issue: your HDHP

The HSA provider is only half the equation. For a high-income family, I'd evaluate the HDHP + HSA combination, not just the HSA.

A good setup would look something like:

Employer HDHP → Fidelity HSA → invest nearly everything → pay ordinary medical bills from checking → reimburse yourself from HSA later if desired.

But don't automatically choose the HDHP just because the HSA is excellent. Compare:

HDHP annual premiums − PPO annual premiums

against

Expected additional out-of-pocket costs under the HDHP

while also factoring in:

• Employer HSA contribution
• Family deductible
• Family out-of-pocket maximum
• Coinsurance
• Prescription coverage
• Network differences
• Whether the employer allows you to direct HSA contributions to Fidelity
• Whether the employer's HSA has administrative fees

A particularly important point: if your employer's HSA provider is expensive, you can often transfer the accumulated HSA money to Fidelity while continuing to use the employer's HSA for payroll contributions. Fidelity explicitly supports HSA transfers.

Bottom line

For a high-income family with a long investment horizon:

For high-income families looking to maximize the "triple tax advantage" of a Health Savings Account (HSA) as a long-term wealth-building and retirement vehicle, Fidelity Investments is widely considered the gold standard.

An evaluation of Fidelity against the next best competitors highlights why it stands out for high-net-worth or high-income investors:

• Fidelity (Best Overall / Best for Investment & Fees)
  • Fees: $0 account opening, $0 monthly maintenance fees, and $0 minimum balance requirements. There are also $0 commission fees for online US stocks, ETFs, and standard mutual funds.
  • Investment Options: Complete brokerage flexibility. You can invest in individual stocks, bonds, CDs, and Fidelity’s zero-expense-ratio index funds (like FZROX or FZILX), or any standard ETF/mutual fund without transaction penalties.
  • Why it fits high-income earners: There is no restriction forcing you to keep a minimum cash threshold before you can start investing; 100% of your contributions can be invested on day one. Uninvested cash also sweeps into interest-bearing vehicles rather than earning a negligible 0.01%. You can open an account directly via the Fidelity Health Savings Account page.
• Lively (Best Runner-Up / Modern Interface)
  • Fees: $0 monthly maintenance fees for individuals, though it utilizes Charles Schwab as its brokerage partner for investments (which also features $0 trades).
  • Investment Options: Excellent access to Schwab’s vast array of low-cost ETFs and mutual funds.
  • Catch for High Earners: While Lively is fantastic if forced by an employer, if you are opening an individual (HSA) out-of-pocket, Lively charges a small fee for HSA Guided Portfolio options, though self-directed Schwab investing is free of maintenance charges. It is a great alternative if you prefer a sleek, modern fintech interface over Fidelity's traditional brokerage layout. You can review options at Lively HSA.
• HSA Bank (Best if Tied to Specific Employer Perks)
  • Fees: Monthly maintenance fees apply unless you maintain a specific cash balance (usually around $3,000). They also often charge an annual investment fee (approx. $30 to $36 annually) depending on the tier.
  • Investment Options: Offers access to TD Ameritrade/Charles Schwab or mutual fund lineups.
  • Why it trails for high earners: The hurdle of maintenance fees and investment administration fees makes it less efficient than Fidelity's completely fee-free model, though many employers automatically route payroll deductions here. More info is available at HSA Bank.

Summary Verdict

For a high-income family aiming to pay current medical expenses out of pocket (letting the HSA grow strictly as a tax-free investment vehicle modeled like a "super-IRA"), Fidelity wins decisively due to zero administrative fees, zero investment thresholds, and absolute freedom to buy low-cost index funds.

Are you setting this up as an individual (out-of-pocket) account or through an employer-sponsored plan , and do you plan to reimburse medical expenses later or pay as you go?

For a high-income family using an HSA as a long-term wealth-building vehicle (rather than just a medical spending account), the best combination is usually:

1. HSA provider: Fidelity Investments HSA — best overall for investing + low fees

Why it tends to win for affluent households:

• $0 account fees for individual Fidelity HSAs and no minimum balance to open or invest.
• No investment threshold — you can invest immediately rather than waiting until a balance requirement is met.
• Broad investment menu:
  • U.S. stocks
  • ETFs
  • mutual funds
  • Fidelity index funds
  • curated HSA fund selections
• Works well for the “stealth retirement account” strategy: contribute pre-tax, invest tax-free, reimburse yourself decades later. HSAs have a triple-tax advantage when used for qualified medical expenses.

For a high-income family that can afford to pay current medical bills from cash flow, a common strategy is:

1. Choose an HSA-eligible HDHP.
2. Max out HSA contributions.
3. Invest the HSA balance aggressively.
4. Keep receipts for future tax-free reimbursements.

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Strong alternatives

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HDHP pairing considerations for a high-income family

The HSA provider is only half the decision. The HDHP should be evaluated on:

1. Premium savings vs. expected medical costs

A high-income household often benefits if:

• premiums are substantially lower than a PPO,
• the employer contributes to the HSA,
• the family has enough liquidity to handle the deductible.

2. Employer HSA contribution

A $1,000–$2,000 employer contribution can materially improve the economics.

3. Network quality

For families with specialists, children, or ongoing care, verify:

• pediatric/specialist availability,
• hospital network,
• out-of-network rules.

4. Investment flexibility

Avoid HSA plans that:

• force large cash minimums before investing,
• charge monthly maintenance fees,
• restrict investments to expensive funds.

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My ranking for a high-income family focused on wealth accumulation

1. Fidelity HSA + a low-cost HDHP ⭐⭐⭐⭐⭐
   Best mix of fees, investment flexibility, and simplicity.

2. Lively HSA + HDHP ⭐⭐⭐⭐
   Good if you want an independent HSA rather than an employer-selected provider.

3. HealthEquity/HSA Bank employer HSA + HDHP ⭐⭐⭐
   Fine if your employer subsidizes fees or provides a strong plan, but less ideal if you are optimizing purely for investing.

If you are in a high tax bracket (for example, 32–37% federal plus state tax), the HSA is often one of the most valuable tax shelters available, so minimizing fees and maximizing investment access matters more than small differences in deductible levels.

A good next step is to compare the actual HDHP options available through your employer (premium, deductible, out-of-pocket max, employer HSA contribution, and whether you can move the HSA to Fidelity). The best HSA provider can be outweighed by a much better employer HDHP subsidy.

For a high-income family looking to maximize an HSA as a triple-tax-advantaged wealth-building vehicle, Fidelity Investments Health Savings Account is the clear industry leader for investment options and low fees.

The top-tier HSA providers rank as follows for high-earning investors:

• Fidelity HSA: Best Overall
  • Monthly Maintenance Fees : $0
  • Investment Minimum : $0 (First-dollar investing; no cash threshold required before you can invest)
  • Investment Options : Full brokerage access—thousands of stocks, ETFs, and mutual funds with $0 commissions. Notably includes Fidelity’s zero-expense-ratio index funds (e.g., FZROX) and competitive high-yield cash/money market alternatives.
  • Why it wins for high-income earners : You can invest every contributed dollar immediately without dragging a portion of your family's $8,750 (2026 limit) contribution into low-yielding cash sweep accounts.
• Lively HSA: Runner-Up / Best Alternative
  • Monthly Maintenance Fees : $0 for individual accounts
  • Investment Minimum : $0 investment minimum if you maintain a $3,000 cash balance; otherwise, a $24/year investment fee applies if investing below that threshold.
  • Investment Options : Full integration with a Charles Schwab self-directed brokerage account, giving you access to thousands of stocks and ETFs.
  • Why it's a strong choice : It offers an exceptionally sleek user interface and robust platform design, though you have to mind the cash threshold rules to completely avoid investment fees.
• HealthEquity: Best if Dictated by Employer
  • Monthly Maintenance Fees : Often $0 or low, depending on corporate plan negotiations.
  • Investment Minimum : Frequently requires a minimum cash threshold (often $500 to $1,000) before investing.
  • Investment Options : Curated lineup of low-cost Vanguard and Schwab funds, though with slightly higher administrative or asset-based fee drag compared to Fidelity.
  • The High-Income Strategy : If your employer forces a sub-par provider like HealthEquity or Optum for payroll deductions (to capture employer contributions or FICA tax savings), you can utilize a dual-account strategy . Periodically perform a trustee-to-trustee transfer out of your employer's HSA into a personal Fidelity HSA to access superior investments and zero fees.

Would you like help setting up a transfer strategy from an existing employer-provided HSA, or do you want to explore specific asset allocation models for maximizing your family's long-term HSA growth?

For a high-income family maximizing tax-advantaged accounts, the goal is to treat an HSA as a triple-tax-advantaged retirement vehicle rather than a short-term checking account. This means minimizing administrative and asset-based fees to zero while gaining access to a full, unrestrictive brokerage window.

The top-tier HSA providers dominating this space match low fees with elite investment menus:

• Fidelity Investments
  • Monthly/Maintenance Fees: $0
  • Investment Minimum to Start: $0 (invest from dollar one)
  • Investment Options: Full self-directed brokerage account with access to thousands of stocks, ETFs, and mutual funds, including Fidelity’s zero-expense-ratio index funds (such as FZROX).
  • Why it stands out for high-income earners: Fidelity is widely considered the gold standard for HSA investing. There are no maintenance fees, no investment thresholds, and no hidden asset-under-management (AUM) fees for self-directed investing.
• Lively
  • Monthly/Maintenance Fees: $0 for individuals
  • Investment Minimum to Start: $0
  • Investment Options: Integrated Charles Schwab brokerage account giving you full access to equities, ETFs, and mutual funds.
  • Why it stands out for high-income earners: Lively pairs a sleek, modern dashboard with institutional-grade Schwab brokerage capability. It’s ideal if you prefer a separate custodial interface while avoiding monthly nibbles on your balance.
• HSA Bank (Best if using an employer tie-in)
  • Monthly/Maintenance Fees: $2.50 per month, but waived if your cash/balance stays above $3,000.
  • Investment Minimum to Start: $1,000 in the cash portion before investing the rest.
  • Investment Options: Full brokerage integration via Charles Schwab/TD Ameritrade.
  • Why it stands out for high-income earners: Many high-income professionals have HSA Bank forced upon them by corporate employers. Fortunately, once you cross the $1,000 cash threshold, the investment tier opens up to a robust brokerage platform.

Pro-Tip for High Earners: The Dual-Account Strategy

If your employer forces a mediocre or fee-heavy HSA provider on you (like HealthEquity or an old HSA Bank setup), you are not locked into keeping your active investing dollars there. You can execute periodic indirect/direct trustee-to-trustee transfers out of your employer's plan into a personal, fee-free Fidelity HSA . This lets you capture any employer matching or payroll tax deductions first, then shift the bulk of your capital into zero-fee index funds.

If you'd like, let me know:

• Whether your employer provides an HSA contribution match
• If you plan to reimburse medical expenses out-of-pocket now or let the account compound completely until age 65

I can help you map out the most tax-efficient contribution and transfer strategy.

For a high-income family using an HDHP, the best HSA is usually the one that treats the HSA as a long-term retirement/investment account, not a checking account for medical bills. The biggest factors are:

1. No account fees
2. No investment minimums
3. Broad, low-cost index fund access
4. Ability to invest 100% of contributions
5. Good recordkeeping for reimbursing medical expenses decades later

My ranking:

My pick for a high-income family: Fidelity HSA

For a family that can afford to pay medical expenses out of pocket and let the HSA compound, Fidelity is usually the strongest choice. It offers:

• No HSA account fees
• No minimum balance required to invest
• Access to Fidelity mutual funds, ETFs, stocks, and bonds
• Ability to use very low-cost index funds
• Strong tax planning integration with other Fidelity retirement accounts

A simple long-term allocation could look like:

• 70–90% U.S. total stock market index fund
• 10–30% international stock index fund
• Little or no cash once your emergency medical reserve is covered

Many high-income families use the HSA as a “stealth IRA” because it can receive:

• pre-tax contributions
• tax-free growth
• tax-free withdrawals for qualified medical expenses

When Lively may be better

Lively is a strong alternative if you prefer the Charles Schwab Corporation investment ecosystem. It offers self-directed investing through Schwab and has no monthly account fee.

I would lean Lively if:

• your family already uses Schwab,
• you want Schwab’s brokerage interface,
• you prefer separating your HSA from your retirement accounts.

The HDHP matters as much as the HSA

For a high-income family, the ideal setup is often:

1. Choose a low-premium HDHP with HSA eligibility.
2. Maximize HSA contributions every year.
3. Invest the HSA instead of spending it.
4. Pay current medical expenses from taxable cash flow.
5. Save receipts indefinitely so you can reimburse yourself tax-free later.

Before switching, verify:

• the HDHP qualifies under IRS HSA rules,
• the employer’s HSA contribution policy,
• whether payroll contributions are required (some employers only contribute to their chosen HSA custodian),
• whether you can periodically transfer the HSA balance to Fidelity or Lively.

Bottom line: For a high-income family focused on wealth accumulation, I would generally choose Fidelity HSA + a low-cost HDHP. Lively is the strongest runner-up if Schwab integration is important.

For high-income earners who want to maximize an HSA as a triple-tax-advantaged wealth-building vehicle (paying current medical expenses out-of-pocket and letting the HSA grow invested for decades), Fidelity Investments stands out as the clear market leader.

The top HSA options for low fees and robust investment choices break down as follows:

• Fidelity HSA (Best Overall / Top Pick)
  • Fees: $0 monthly maintenance fees, $0 account opening fees, and commission-free online trading for U.S. stocks and ETFs.
  • Investment Options: Full self-directed brokerage account access. You can buy individual stocks, bonds, ETFs, and mutual funds—including Fidelity’s zero-expense-ratio index funds (like FZROX) [1.3]. There is no minimum balance required to start investing; you can invest from dollar one.
  • Why it fits high-income earners: No hidden administrative caps, zero investment thresholds, and competitive cash yields on uninvested cash sweep options.
• Lively HSA (Best Runner-Up)
  • Fees: $0 monthly account fees for individuals (individual self-directed savings).
  • Investment Options: Integrated savings paired with a Charles Schwab Health Savings brokerage account, giving you access to thousands of mutual funds, stocks, and ETFs [1.22].
  • Why it fits high-income earners: Excellent modern interface and great automation, though Fidelity edges it out slightly by not requiring a separate brokerage partner interface or cash lockup thresholds for specific investment tiers [1.23].
• HSA Bank / HealthEquity (The Employer-Mandated Alternatives)
  • Fees: Many employer-sponsored HDHPs force you into providers like HSA Bank or HealthEquity, which often charge monthly administrative fees (≈ $2.50 to $3.95/month) unless waived by maintaining a high cash balance, plus underlying investment asset-management fees (approx. 0.30% to 0.36%).
  • The High-Income Strategy: If your employer forces a fee-heavy custodian, you can still take advantage of employer payroll tax deductions, then execute a partial direct trustee-to-trustee transfer once or twice a year to move your accumulated funds over to a zero-fee personal Fidelity HSA.

Would you like help setting up a HSA rollover/transfer strategy from an existing employer-provided custodian to Fidelity , or do you need recommendations on how to allocate your HSA investments alongside your other retirement accounts?

For a high-income family that intends to use the HSA primarily as a long-term investment account, my top choice is Fidelity HSA paired with the lowest-cost HSA-eligible HDHP you can get through your employer or marketplace.

The important distinction is that the HSA custodian and the health insurance plan are separate decisions. You want to optimize both.

My ranking

Fidelity currently charges no account fee and no investment minimum for its individual HSA, and allows you to invest in stocks, ETFs, mutual funds, bonds and more. Its HSA is therefore unusually well suited to treating the HSA as a retirement asset.

Lively is the strongest alternative. Its basic HSA is free, but the Schwab brokerage option costs $24/year unless you maintain $3,000 in cash. Its automated Devenir portfolio costs 0.50% annually.

Why Fidelity wins for a high-income family

At high income, the HSA's tax benefits become particularly valuable. For 2026, a family can contribute $8,750 to an HSA.

If you're in a high marginal federal tax bracket, I'd generally want to:

1. Max the HSA every year.
2. Invest essentially all of the HSA once you've established enough liquidity elsewhere for medical expenses.
3. Prefer broad, low-cost index funds/ETFs.
4. Pay current medical expenses from taxable cash/credit cards when practical.
5. Keep the receipts indefinitely.
6. Reimburse yourself from the HSA many years later, allowing the HSA investments to compound tax-free.

That effectively turns the HSA into an exceptionally powerful supplemental retirement account: contributions receive favorable tax treatment, investment growth is tax-free, and withdrawals for qualified medical expenses are tax-free.

The HDHP is actually more important than the HSA provider

Don't choose an HDHP merely because it says "HSA." Compare the total expected annual cost:

annual premiums + expected out-of-pocket costs − employer HSA contribution

For 2026, a conventional HSA-qualified family HDHP must have at least a $3,400 deductible and no more than $17,000 in annual out-of-pocket expenses, excluding premiums.

For a high-income family, I'd particularly look at:

• Premium difference between the HDHP and PPO
• Employer HSA contribution
• Family deductible
• Family out-of-pocket maximum
• Coinsurance after deductible
• Prescription coverage
• Whether your doctors/hospitals are in-network
• Whether the employer HSA has investment restrictions/fees
• Whether employer HSA contributions require you to keep a cash balance

A $2,000/year cheaper HDHP with a $1,000 employer HSA contribution can easily beat a richer PPO even if you have meaningful medical expenses.

One important wrinkle: employer HSA vs. Fidelity

If your employer offers an HSA through, say, HealthEquity or another administrator, don't automatically decline it in favor of Fidelity.

Employer payroll HSA contributions can be especially attractive because they can avoid payroll taxes in addition to income taxes. The optimal setup is often:

Employer HDHP → contribute through payroll → periodically transfer HSA balance to Fidelity → invest at Fidelity.

You need to check your employer's rules and whether transfers are free/automatic. Fidelity explicitly supports transferring HSAs from other providers.

Bottom line

My preferred setup for a high-income family:

HSA: Fidelity
Investments: low-cost total-market/US + international index funds or ETFs
Health plan: cheapest HSA-eligible HDHP whose network and coverage you are comfortable with
Strategy: maximize HSA, invest it, and avoid using it for current medical expenses if cash flow permits.

If you're choosing between specific HDHP options from your employer, send me the premiums, deductible, out-of-pocket max, coinsurance, employer HSA contribution, and family coverage details for each plan. I can calculate the break-even medical spending level and expected 10–20 year after-tax value and tell you which plan/HSA combination is likely best.