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The math, out loud

Is a Lower Deductible Worth a Higher Monthly Premium? Run the Math Before You Buy Down

Written and reviewed by Dick Tracy, licensed health insurance broker (NPN 20414610) · Published September 16, 2026

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Quick answer Usually no. Multiply the monthly premium difference by 12, then compare that to how much deductible you are buying off. On a real case from my calls, the lower deductible plan ran $829 a month against $759 for the higher deductible version, which is $70 more a month, $840 a year, to knock $1,000 off the deductible. Best case, if you hit that deductible in full, you saved $160. Do not hit it and you paid $840 for a safety net you never touched. Buying down only wins when you are close to certain you will use it.

I'm Dick Tracy, an independent health insurance broker in Western New York, licensed in 25 states with 80+ carriers behind me. I came out of the healthcare side of this business, so there is no gag clause on me. I will give you the tips, the tricks, and the traps. And this one is a trap that costs good people real money every year, because the instinct to buy down the deductible feels responsible. It feels like the careful choice. Then you run the arithmetic and the math doesn't math.

The formula: thirty seconds, three steps

You do not need a spreadsheet for this. You need two premiums and two deductibles.

Step one. Subtract the monthly premiums and multiply by 12. That is what the lower deductible costs you per year, guaranteed, whether you see a doctor or not.
Step two. Subtract the two deductibles. That number is the most the buy down can ever save you.
Step three. Compare them. If step one is equal to or bigger than step two, the lower deductible loses under every scenario there is, including the worst one. If step one is smaller, the difference is your best case saving, and you only collect it if you hit the deductible in full.

That last clause is where most people slide past the problem. The saving is not automatic. It is conditional on a bad year. You are paying a certain amount every month to reduce a cost you might never incur.

Two real cases off my calls

Here is the first one, the same numbers from the top of this page. Lower deductible option: $829 a month. Higher deductible option: $759 a month. The difference is $70 a month, which is $840 over twelve months, and it buys down the deductible by $1,000. So the absolute ceiling on what you gain is $160, and you only see that $160 if you spend the entire deductible. Land anywhere short of it and the buy down cost you money.

Second one, different household, smaller premiums, identical shape. Lower deductible: $329 a month. Higher deductible: $267 a month. That is $62 a month, $744 a year, again to cut $1,000 off the deductible. Best case, you are $256 ahead. Average case, you paid an extra $744 a year for a safety net that never needed to be used.

When a prospect pushed back on me for recommending the higher deductible plan and asked to see the $829 option anyway, I showed it to him. That is the job. I educate, you decide. But I showed it to him next to the arithmetic, because a number you can see beats an instinct you cannot check.

Why the instinct is so strong (and where it goes wrong)

Two things are happening in your head when you look at a low deductible.

The first is that you get to the good part sooner. Once the deductible is met, you are into copays and coinsurance, and that feels like the plan finally switching on. True enough. But you are prepaying for that switch every month of the year, including the eight or nine months where nothing happens.

The second is that low feels safe. This is the one worth sitting with, because the premium is a certainty and the deductible is a maybe. Buying down converts a maybe into a certainty and charges you a markup to do it. Now, a lower deductible plan usually carries a somewhat lower out-of-pocket maximum too, so your genuine worst case does improve. I am not going to pretend otherwise. But that improvement is normally a fraction of what the buy down costs you over a full year, and the number that actually caps a catastrophic year is the out-of-pocket maximum, not the deductible. Ask for both figures on both plans. Most people have never been shown the out-of-pocket maximum at all, and it is the one that matters when things go badly wrong.

The deductible gap keeps getting wider

This question used to be about a few hundred dollars. It is not anymore, and that is worth knowing before you decide the buy down is a small comfort purchase.

Read that as a pattern, not a headline. The gap you are being asked to buy down is getting bigger, and the premium to buy it down is getting more expensive at the same time. If you are near the subsidy line and the numbers on your renewal stopped making sense, check the free 2026 subsidy cliff calculator before you pick a plan, because the credit you qualify for changes which of these plans is even on your table.

When buying down the deductible is the right call

There is a clean condition, and it is not a feeling. Buy down when you are close to certain you will hit the deductible in full: a surgery already on the calendar, a pregnancy, a chronic condition with regular specialist visits, infusions, or a high cost prescription you refill every month. In those cases the deductible is not a maybe. It is a bill you already know is coming, and paying for a known bill in monthly installments at a small discount is a perfectly sensible thing to do.

Here is the honest flip side, and I would rather say it plainly. If you have a known procedure coming or heavy ongoing utilization, tell me on the call, because that changes my recommendation and it should. And if you are a healthy household with nothing scheduled, the buy down is almost always the more expensive way to feel calm.

The move most people never get shown

Here is what nobody at a call center is going to walk you through. The choice is not only "low deductible plan" versus "high deductible plan." There is a third shape: take the lower premium, then cover the gap directly.

That means a core medical plan with a deductible you can live with, plus targeted coverage sitting underneath it for the events that actually create the bill. Accident coverage that pays you, not the hospital. Hospital indemnity that writes a check on admission. Critical illness. Gap protection. Dental as its own line. These are real products I place, and the point of them is that they pay cash toward the exact hole a higher deductible leaves open, usually for less than what buying the deductible down would have cost you in premium. Run the same three steps on that comparison and it often wins outright.

There is a bigger version of this question too. If both plans in front of you are community rated marketplace plans, you are choosing between two versions of the same pricing model, and being healthy earns you nothing in that model. In New York, healthy people and families can merge into a pre-established ERISA group plan instead. ERISA is federal law from 1974, it overrides the state's community rating, and you get group rates, a true PPO, and a policy you own. It is a simple compliance step I walk you through. In most other states, the door is a customized individual plan priced on you rather than on the sickest people in the pool. Neither one is the answer for everybody, and anyone who tells you otherwise should worry you. But if you are about to pay $840 a year for $1,000 of deductible relief, it is worth seeing whether the whole plan can be cheaper before you start shaving the deductible.

One thing to keep separate while you are here: a high deductible plan can be paired with a health savings account, and people sometimes treat that as the reason to go high deductible. An HSA is a tax advantaged account riding on a qualifying plan. It is a tax feature, not coverage, and it is not a health insurance strategy on its own. Pick the plan on the plan, then look at the account.

Common questions about deductible versus premium