Updated August 3, 2026. Quick answer: fund the HSA after the employer match and after any high-interest debt, and before almost everything else — including the Roth. It is the only account that is untaxed going in, untaxed while it grows, and untaxed coming out for qualified expenses. Nothing else does all three.
The order
| Step | What, and why there |
|---|---|
| 1 | Employer match. An immediate return nothing else matches |
| 2 | High-interest debt. A guaranteed return equal to the rate |
| 3 | The HSA, to the limit. The only triple-tax-advantaged account |
| 4 | Roth or traditional retirement contributions, per your bracket |
| 5 | Taxable investing |
Why it outranks the Roth
A Roth is taxed going in and untaxed coming out. A traditional account is untaxed going in and taxed coming out. The HSA is untaxed at both ends for qualified expenses — and when made through payroll it also avoids payroll tax, which no retirement account does.
The usual objection is that the money is trapped for medical costs. Two answers. Medical costs in retirement are not a hypothetical. And there is no deadline on reimbursement, so every unreimbursed expense you have already paid is a future tax-free withdrawal you have already earned.
When it should not be step 3
- You cannot afford the deductible. A high-deductible plan you cannot use is not a savings strategy.
- You expect to enrol in Medicare soon. Eligibility ends, and the lookback can make recent contributions excess.
- Your plan is not actually HSA-qualified. A high deductible alone does not make it so.
We are not printing contribution limits. They change annually; use the current IRS figures.
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Related: the receipt strategy · HSA versus Roth.
General information drawn from the Internal Revenue Code, IRS publications and IRS notices, not legal, tax or financial advice. HSA contribution limits and catch-up amounts are adjusted annually and are deliberately not reproduced here – use the current IRS figures. Eligibility depends on your health plan and your Medicare status, both of which change. We sell no accounts and receive nothing from any HSA provider.