Shoppers hunting for relief from rising premiums keep landing on the same search result: short-term health insurance.
These plans can cost a fraction of an Affordable Care Act policy, sometimes under $100 a month for a single adult.
Enrollment has climbed steadily since federal rules loosened in 2018, and the pitch is everywhere — quick approval, no open enrollment window, coverage that starts as soon as tomorrow.
Here's the catch that trips up thousands of people every year.
Short-term plans are not required to cover the ten essential health benefits that ACA plans must include.
That list covers prescription drugs, maternity care, mental health treatment, and preventive services.
Buy a short-term plan and you may find your medications aren't on the formulary, or that a specialist visit isn't covered at all.
The renewal trap is the bigger money problem.
Many policies cap how long you can stay enrolled — often three to twelve months — and some insurers let you reapply without re-underwriting.
If you develop a condition mid-term and the insurer requires a new health review, that condition can become a pre-existing exclusion on the next policy.
You end up healthy enough to buy coverage only when you don't need it.
Watch for the annual and lifetime dollar limits too.
ACA plans banned those caps on essential benefits, but short-term plans can still set them.
A single hospital stay can blow past a $250,000 maximum faster than most people expect, leaving you responsible for everything above the line.
Copays and coinsurance also tend to run higher, and the deductible can stretch into five figures before benefits kick in.
The people these plans actually fit are narrower than the marketing suggests.
If you're between jobs for two months, waiting on Medicare to start, or aging off a parent's policy and need a bridge, a short-term plan can beat going uninsured.
It is a gap-filler, not a long-term substitute.
Pull the plan's "Summary of Benefits and Coverage" — it's required, usually a few pages, and lists exclusions in plain language.
Call your pharmacy and ask whether your specific prescriptions are covered under that plan's formulary.
Then check whether you qualify for a subsidy on HealthCare.gov, because premium tax credits often shrink the real price gap more than the sticker suggests, especially for households earning under 400% of the federal poverty level.
Also compare what happens if you get hit by a car or diagnosed with cancer.
That's the scenario where the cheap plan's gaps turn into debt.
A $150 monthly premium that leaves you exposed to $40,000 in bills isn't a bargain — it's a bet.
If you already hold a short-term policy, mark the expiration date on your calendar now and start shopping at least 30 days out.
Lapses in coverage can lock you out of ACA enrollment until the next open period unless you qualify for a special enrollment window.
The honest take: short-term plans are sold as affordable health insurance, but they're really catastrophic-lite coverage with a short shelf life.
They can be the right tool for a temporary gap, and the wrong one for anyone who needs ongoing care.
Final Thoughts
Read the exclusions before the premium, not after the diagnosis.