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Contractor Insurance: 5 Common Mistakes That Wreck a Contractor Insurance Policy

The five contractor insurance mistakes we see most often — and exactly how to fix each one before it costs you a claim.

Justin Miller·March 19, 2026· 5 min read
Contractor Insurance: 5 Common Mistakes That Wreck a Contractor Insurance Policy
Reviewed by Jessecca Miller, Licensed Insurance AgentAL/TN/MSReviewed March 19, 2026

Most contractor insurance mistakes are not exotic. They are the same five-or-six errors made by very smart people who simply did not read their policy. Here are the ones we see most across our Alabama, Tennessee, and Mississippi general and trade contractors client base — and how to fix each one.

Mistake 1: Buying the lowest limits the law (or the lender) allows

The minimum is the smallest amount of contractor insurance you can legally carry. It is not the smallest amount you should carry. A completed-operations claim arising 12-24 months after a project closes can blow through minimums in an hour. We routinely raise limits dramatically for a few extra dollars per month.

Mistake 2: Treating the deductible as the only price lever

Raising your deductible is a fine way to lower premium, but it is rarely the biggest lever. Bundling, removing stale endorsements, and shopping the carrier mix usually saves more without putting you on the hook for a higher out-of-pocket loss.

Mistake 3: Ignoring the endorsements page

The endorsements section of your contractor insurance dec page is where 30-40% of the real coverage decisions live. Completed operations and blanket additional insured (ongoing and completed) can be the difference between a fair claim payment and a fight.

Mistake 4: Forgetting to update the policy after life changes

New asset, new vehicle, new addition, new business activity, new contractor in the household — every one of these changes the right amount of contractor insurance. We do annual reviews specifically to catch the changes clients forget to mention.

Mistake 5: Letting the policy auto-renew without a re-shop

Carriers raise rates between renewals. Your same coverage at the same carrier may be 8-15% more expensive next year for no fault of your own. Re-shopping every 24 months is the single highest-value habit a contractor insurance customer can build.

Miller Insurance Agency reviews every client's contractor insurance at renewal across multiple carriers in Alabama, Tennessee, and Mississippi — no charge, no obligation.

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