Most “auto insurance mistakes” have nothing to do with your driving. They’re usually about one thing: the policy is built on assumptions—and the assumptions don’t match real life. This guide covers the most common mistakes we see when people apply for or renew auto insurance, why they matter, and how to fix them. If you want the big-picture map of coverages, start here first: Auto Insurance Explained (Personal) . Mistake 1: Not listing all regular drivers If someone in your household drives the vehicle regularly, the insurer expects them to be listed. Why it matters: It can affect pricing. In some situations, it can complicate a claim. Fix: Make a simple list: “Who drives what in a typical week?” Update the policy when that changes. Mistake 2: Using the wrong garaging address Your premium is partially based on where the vehicle is parked most nights. Why it matters: Incorrect garaging can be treated as misrepresentation. Fix: Use the real address where the car lives. If you moved recently, update it now—not at claim time. Mistake 3: Guessing at mileage or vehicle use Many people estimate miles without thinking: New job Remote work Teen driver Side gigs / delivery Why it matters: Usage can change both risk and eligibility. Fix: Check your current odometer and do a quick monthly estimate. Be honest about business use. Mistake 4: Carrying “minimum coverage” and assuming it’s “standard coverage” Minimum limits are designed around legality—not the real cost of accidents. Why it matters: A serious injury claim can exceed minimum limits faster than most people expect. Fix: Review liability limits with your household and assets in mind. Mistake 5: Choosing a deductible you wouldn’t actually pay A low deductible feels safer. A high deductible feels cheaper. Why it matters: Either choice can backfire if it doesn’t match your cash cushion. Fix: Pick a deductible you could pay without stress . Mistake 6: Not understanding collision vs.