Short-term health insurance is having a moment.
With ACA marketplace premiums climbing and open enrollment windows locked to specific dates, a growing number of Americans are typing "cheap health insurance" into search bars and landing on short-term plans that promise coverage in 24 hours for a fraction of the cost.
The pitch sounds tempting: pay $80 to $150 a month instead of $400 or more, keep your doctor if they'll take you, and enroll any day of the year.
But consumer advocates and state regulators keep flagging the same problem.
These plans are not comprehensive health insurance, and the gap between what buyers think they bought and what the policy actually pays is where people get hurt.
For starters, short-term plans can deny coverage based on your medical history.
Under the Affordable Care Act, marketplace plans must cover you regardless of pre-existing conditions.
A 2024 report from the Commonwealth Fund found that roughly 1 in 4 people who applied for a short-term plan were turned down, and the rejection rate climbed for applicants over 50 or with any chronic condition.
Many short-term plans skip or cap maternity care, prescription drugs, mental health treatment, and preventive services.
Some limit payouts to a few thousand dollars per condition, per year, or for the entire life of the policy.
A single emergency room visit or a three-day hospital stay can blow past those caps fast.
The Kaiser Family Foundation has documented cases where patients owed tens of thousands of dollars after assuming their short-term plan worked like regular insurance.
The fine print is where the real trouble lives.
Look for phrases like "does not cover," "excluded," or "benefit maximum." A plan might cover hospitalization up to $3,000, then leave you responsible for everything after that.
Others pay a fixed dollar amount per day rather than actual billed charges.
If the hospital bills $18,000 and the policy pays $1,000 a day for three days, you're on the hook for the rest.
Shopping tips if you're considering one: read the entire policy, not just the summary.
Call the insurer and ask exactly what happens if you're hospitalized for five days.
Check whether your doctors and local hospitals are in network.
Some states, including California, New York, and Massachusetts, have restricted or banned short-term plans, so the rules depend on where you live.
The bigger point is that short-term coverage is designed to bridge a gap, not replace real insurance.
It can make sense for a healthy 28-year-old between jobs for two months.
It makes far less sense for a family with kids, anyone managing a chronic condition, or anyone who can't absorb a surprise five-figure bill.
If you miss open enrollment, check whether you qualify for a special enrollment period through the marketplace first.
Losing a job, moving, getting married, or having a baby usually opens a window.
Medicaid and CHIP also cover more people than many assume, and the income limits are higher than most shoppers guess.
Our take: short-term plans are a tool, not a solution, and they're marketed as if the two are the same thing.
If you buy one, buy it knowing exactly what it won't pay for.
Final Thoughts
The savings on the premium can vanish in a single hospital visit, and that's a trade-off worth understanding before you sign.