What Is an Insurance Deductible?

A deductible is the amount subtracted from a covered loss before the insurer contributes. On a $6,000 covered claim with a $1,000 deductible, you pay $1,000 and the insurer considers the remaining $5,000 against your policy limits.

The deductible is not a fee and it is not paid to anyone in advance. It simply reduces what the insurer pays, which in practice means you cover the first portion of the repair or replacement yourself.

Two reasons. The first is administrative: handling large numbers of very small claims costs more than the claims themselves are worth, and a deductible removes them from the system.

The second is behavioural. When a policyholder carries part of every loss, the incentive to prevent losses stays intact. That is why deductibles exist across almost every line of insurance rather than only on property cover.

Most deductibles are flat amounts - $500, $1,000, $2,500. Some, particularly for wind, hail, hurricane and earthquake, are a percentage of the insured value. A 2% deductible on a $400,000 dwelling limit is $8,000, which is a very different proposition from the $1,000 flat deductible on the same policy for other perils.

Deductibles also differ in how often they apply. A per-claim deductible applies to every separate loss. An annual or aggregate deductible applies once per policy year no matter how many claims you make. Health policies commonly use the annual form; property and auto policies usually use per-claim.

Raising a deductible lowers a premium because it transfers the frequent, smaller losses back to you. The size of that reduction is not proportional: moving from $500 to $1,000 usually saves considerably more than moving from $2,000 to $2,500, because the first step removes far more expected claims than the second.

This is why the break-even calculation matters. If a $2,000 increase in deductible saves only $60 a year, it takes more than thirty claim-free years to justify - which is not a trade worth making.

Start with liquidity, not arithmetic. The deductible should be an amount you could pay this week without borrowing, because a claim arrives at a time you did not plan for and often alongside other costs.

Once that constraint is satisfied, the break-even calculation decides the rest. Compare the annual saving against the extra amount at risk, and check how many claim-free years it takes to recover. Under about three years is usually a good trade for anyone who claims rarely.