Why I Love Health Savings Accounts (And How I Use Mine)
If you ask most people what a Health Savings Account (HSA) is, they won’t know what it is. The majority of the ones that do will tell you it is a savings account for doctor visits, prescription copays, or new glasses.
They treat it like a workplace benefit account, using it as a temporary holding account for cash before spending it on healthcare expenses during the year.
I look at an HSA completely differently. To me, it is one of the most powerful, tax-efficient wealth-building vehicles ever created.
Once I realized how fast healthcare costs rise over time, my perspective on this account shifted entirely. Here is why I treat my HSA as a core investment account, how I manage it, and why you might want to rethink how you use yours.
The Medical Inflation Problem
Healthcare costs do not follow standard inflation rates. Medical expenses historically rise much faster than normal everyday living costs.
A few years ago, I had a realization. If I kept my HSA funds sitting in a standard FDIC-insured bank account earning a fraction of a percent, I would look up in 30 years with $20,000 in cash that had zero growth. With healthcare costs continuing to rise, that $20,000 would likely buy significantly less healthcare than it does today.
Cash sitting still in an HSA is actually losing purchasing power every single day.
That is when I stopped treating my HSA like a health-specific checking account and started treating it like a long-term investment vehicle.
The Ultimate Tax Advantage
Most tax-advantaged accounts give you a break on one end or the other.
A Traditional IRA or 401(k) gives you a tax break when you put money in, but you pay ordinary income tax when you take it out. A Roth IRA uses after-tax money going in, but gives you tax-free growth and tax-free withdrawals later.
An HSA is the only account that offers a triple tax advantage:
Tax-deductible contributions: Dollars go in pre-tax, lowering your current taxable income.
Tax-free growth: Investments inside the account compound completely free of capital gains or dividend taxes.
Tax-free withdrawals: Dollars come out 100% tax-free when used for qualified medical expenses.
On top of that, unlike a Flexible Spending Account (FSA), HSA money never expires. There is no "use it or lose it" deadline at the end of the year. Every dollar rolls over forever.
How I Personally Manage My HSA
To get the most out of this account, I follow a specific playbook:
1. Zero Cash Buffer
Most HSA providers encourage you to keep $1,000 or $2,000 in uninvested cash inside the account "just in case." I don't keep a cash buffer in my HSA.
I want 100% of my HSA capital put to work compounding in the market. If a current medical expense pops up, that is what my personal emergency fund is for. My emergency fund covers short-term health costs so my HSA can stay untouched and growing.
2. Invested for Long-Term Growth
I hold my HSA at Fidelity, which offers full investment flexibility without monthly admin fees. I invest my contributions into low-cost index funds and high-conviction individual stocks that I believe in for the long haul.
3. The "Shoebox Strategy"
This is the secret weapon of HSA planning.
The IRS requires that withdrawals be used for qualified medical expenses to remain tax-free, but there is no time limit on when you have to reimburse yourself.
When my family incurs a medical expense today, I pay for it out-of-pocket using my regular checking account or credit card. I save the receipt, digitize it, and store it in a secure folder.
I let the money inside my HSA stay invested, compounding tax-free for decades. Ten, twenty, or thirty years from now, I can pull out those old receipts and reimburse myself completely tax-free for cash whenever I want. In the meantime, those dollars were growing in the market.
What Happens at Age 65?
Another common concern is: "What if I stay healthy and don't have enough medical expenses to use all this money?"
The tax code accounts for this. Once you turn 65, your HSA gains an additional layer of flexibility:
For medical expenses: Withdrawals remain 100% tax-free.
For non-medical expenses: The 20% early withdrawal penalty disappears. You can withdraw funds for any reason. Whether it be travel, living expenses, or hobbies, you will just be responsible for paying ordinary income tax just like a Traditional IRA.
In short, an HSA acts as a supercharged Roth IRA for healthcare expenses while you are young, and transitions into a Traditional IRA safety net once you hit 65.
The Baseline Rules to Keep in Mind
To take advantage of an HSA, you must meet a few basic requirements established by the IRS:
Enrolled in an HDHP: You must be covered by an HSA-eligible High Deductible Health Plan.
Contribution Limits: For 2026, the IRS contribution limit is $4,400 for self-only coverage and $8,750 for family coverage. (If you are 55 or older, you can add an extra $1,000 catch-up contribution).
No Dual Coverage: You cannot be claimed as a dependent on someone else's tax return or enrolled in a general-purpose FSA.
Rethinking Your Healthcare Dollars
Building wealth isn't just about finding new money to invest; it is about getting more mileage out of the dollars you are already saving.
If you have access to an HSA through your health insurance and have been letting those dollars sit in cash, take a closer look at your options. Shifting your HSA from a short-term spending account to a long-term compounding engine can add a massive layer of financial security to your long-term plan.
If you want to review how your health plan fits into your overall investment strategy, let's connect and look at your setup together.
Logan Foster | Financial Planning
Murray, KY
