The idea behind a health savings account sounds sharp. Put money in before taxes, watch it grow tax-free, spend it tax-free on medical expenses down the road. The triple-tax treatment is the best deal in the tax code for the people who can use it as intended. But the gap between the design and the way the accounts actually get used is wide, and it stays wide for a reason most plan design conversations skip.
The Employee Benefit Research Institute put the average end-of-year HSA balance at $4,747 in 2023, still modest next to the out-of-pocket maximum on an HSA-eligible plan. Devenir Research found that only about one account in ten held any invested dollars at the end of 2024. Most balances sit in cash, earning what a basic checking account earns. The investment menu stays untouched not because employees don't want to invest. It stays untouched because claims drain the balance faster than contributions can build it.
The Cash-Flow Trap Nobody Fixes
An HSA becomes an investment vehicle when someone pays their current medical bills with outside money and lets the account compound. The Kaiser Family Foundation put the average single deductible at $1,886 in 2025, and about a third of covered workers are in a plan with a deductible of $2,000 or more. A kid gets an ear infection. A prescription needs refilling. A sore back sends someone to urgent care. Each event pulls money out of the HSA. The balance doesn't grow. It just turns over.
The standard wealth-building advice, pay the bill from checking, keep the receipt, reimburse yourself in retirement, assumes a surplus that many households don't have. About one in three Americans already skip care or prescriptions because of the cost. When the choice is drain the HSA or carry a credit card balance, the HSA gets spent. The investment feature turns into a paragraph in the enrollment guide nobody reads.
Plan sponsors keep adding fund lineups and lowering the cash minimum that triggers investment. They run education campaigns showing the long-term math. The share of accounts holding invested dollars barely moves, sitting near one in ten. The obstacle isn't the investment menu. It's the volume of claims hitting the account every pay period.
A First-Use Benefit Changes the Arithmetic
WellthCare™ works alongside an employer's existing health plan and gets used first. Employees get $0-co-pay access to primary care, urgent care, telehealth, and a set of preventive services before their deductible activates. A telehealth visit costs nothing at the point of care. A primary care appointment costs nothing at the point of care. The money that would have left the HSA stays put. The balance doesn't just survive the month. It starts to climb.
Employees also earn reward dollars for verified preventive actions, health assessments, screenings, and scans, spendable at the WellthCare Store™ on 3,000-plus FSA-approved products. Those purchases cover the supplements, braces, thermometers, and first-aid supplies that otherwise hit the HSA or a credit card. Behind that, program savings fund automatic contributions into the employee's retirement account. The daily cost of staying healthy stops cannibalizing the long-term wealth account.
When fewer out-of-pocket costs land on the HSA, the account shifts. The triple-tax advantage becomes a real thing. Compounding gets room to work. An employee sees a balance that grows instead of one that resets to near-zero every quarter. That shift in visibility is its own retention tool.
WellthCare is a supplemental plan. Participants must be covered under ACA-compliant employer-sponsored health coverage, their own employer's or a spouse's. The system doesn't replace the primary plan. It sits in front, catches the friction, and keeps the HSA intact.
The Employer Math
The same pull-forward effect that protects an employee's HSA reduces claims on the primary health plan. Preventive care usage rises. Conditions get caught early, before they turn into large claims. The employer's experience improves without switching carriers, renegotiating networks, or adding administrative burden.
The WellthCare system carries no new employer out-of-pocket cost. It funds itself through employee pre-tax elections and the structure of a self-insured supplemental plan built within IRC §§105 and 125, supported by formal ERISA and tax opinions. For the finance team, the line item stays flat while the downstream claims curve bends.
After six to twelve months of real usage, the patent-pending WellthCare Readiness Index™ measures that shift with the employer's own claims data. It shows when and how much the organization would save by expanding, no assumptions, no projections that ignore the messiness of real claims. Math, not marketing.
The Tax Break Favors Higher Earners
The triple-tax treatment delivers its biggest dollar benefit to people in the highest tax brackets. A contribution is deductible at the saver's marginal tax rate, so a dollar put into an HSA in the 37% bracket cuts the tax bill by more than the same dollar in the 12% bracket. The Employee Benefit Research Institute has documented the pattern in its HSA database: higher-income accountholders save more and spend more.
Many lower earners can't fund an HSA at all because current bills claim the money first, and the deduction is worth less to them when they can. Households with slack capture the compounding upside, while the households that need the help most get the smallest tax benefit. $0 co-pays and earned reward dollars reach the people who get the least from the deduction. A first-use benefit helps the households the tax break does not.
From Pass-Through to Portfolio
The Federal Reserve's 2024 Economic Well-Being survey found that only 35% of non-retired adults believe their retirement savings are on track. HSAs landed in the benefits mix partly as a response to that problem, a tax-advantaged bucket that could supplement a 401(k). An account that empties every year doesn't build a thing.
WellthCare connects two pieces that usually sit apart: the daily cost of staying healthy and the potential of a health savings account left alone to grow. $0 co-pays keep money in the account. Rewards for preventive care take pressure off other spending. The HSA gets room to do what its designers intended. Employees watch a balance accumulate instead of disappear. That changes behavior. It also changes how people feel about the employer who put the benefit in place.
The path from a $4,747 average balance to a five-figure investment account runs through fewer out-of-pocket claims. A first-use benefit system doesn't manage the HSA. It removes the costs that make the HSA uninvestable.
Ask your employer: do we have a WellthCare Plan?
Healthcare that pays you back.
This article is for general information only and is not legal, tax, or medical advice. Employers should consult their own advisors.