Health Savings Account (HSA)

A health savings account is a personal savings and investment account paired with a qualifying high-deductible health plan. Contributions reduce your taxable income, investment earnings inside the account are untaxed, and withdrawals are tax-free whenever they reimburse qualified medical expenses. No other account offers all three breaks at once; a 401(k) taxes you on the way out, and a Roth IRA taxes you on the way in. The account is yours, not your employer's: it moves with you between jobs and never expires, which makes it as much a long-term planning tool as a way to pay this year's medical bills.

For 2026 you can contribute $4,400 with self-only HDHP coverage or $8,750 with family coverage, plus a $1,000 catch-up starting at age 55. Payroll contributions through an employer also avoid payroll taxes, an edge even 401(k) contributions don't get. Eligibility requires that your health plan meet the IRS's HDHP definition (minimum deductible and out-of-pocket limits, updated annually at IRS.gov) and that you have no disqualifying other coverage, such as a general-purpose health FSA.

The planning power comes from two moves. First, invest the balance: most custodians let you hold index funds once you keep a small cash minimum, so money you don't spend can compound for decades. Second, the receipt strategy--pay today's medical bills out of pocket, keep the receipts, and let the HSA grow untouched. Qualified expenses can be reimbursed years or decades later with no deadline under current law, turning saved receipts into a tax-free withdrawal you can trigger whenever you choose. Medicare changes the rules: once you enroll, contributions must stop (and because Part A enrollment can be made retroactive by up to six months, people working past 65 generally plan their final contributions around that lookback). After 65, withdrawals for anything other than medical expenses are taxed as ordinary income with no penalty, so a worst case HSA behaves like a traditional IRA. Before 65, non-medical withdrawals face income tax plus a 20% penalty.

A hypothetical example: the Okafors have family HDHP coverage and contribute the full $8,750 for 2026 through payroll. In the 24% federal bracket, that removes about $2,100 from their federal income tax bill, plus payroll tax savings on top. They pay this year's $2,000 of medical costs from their checking account, file the receipts, and invest the whole HSA contribution in a low-cost index fund.

Repeated for years, the account becomes a medical war chest for retirement, when healthcare costs are largest: premiums for Medicare Parts B and D, deductibles, dental, hearing, and long-term care costs (within IRS limits) are all qualified expenses. And the saved receipts from earlier years remain redeemable at any time if they ever need tax-free cash for something else.

Pros

• The only triple-tax-advantaged account: deductible going in, tax-free growth, tax-free out for medical costs.
• Payroll contributions also skip payroll taxes.
• No use-it-or-lose-it; balances roll over, move between jobs, and can be invested for decades.
• After 65 it degrades gracefully into traditional-IRA treatment for non-medical withdrawals.

Cons

• Requires a high-deductible health plan, which can be a poor fit for people with heavy, predictable medical costs.
• Before 65, non-medical withdrawals are hit with income tax plus a 20% penalty.
• The receipt strategy demands disciplined recordkeeping, potentially for decades.
• Medicare enrollment ends contributions, and the retroactive Part A rule trips up people who work past 65.