The best thing you can do is shop for auto insurance every year or two. The longer you stay with a particular company the more likely they are to very slowly and carefully hit you with small rate increases until you're paying far more than their competitors will charge you. Insurance companies understand and exploit consumer behavior better than even the best marketers.
I've been with State Farm for over a decade in Texas. While I agree that I should have spent a hell of a lot more time shopping around, I'll also admit that I have _no idea_ how a lot of insurance works and frankly I don't care to spend that mental budget to learn to game it. My insurance rates are affordable to me and have only ever gone _down_ over the past decade. It even went down after having a collision and cla…
Then one day while I was on the way to IAH to fly to Europe, an illegal alien in a stolen van (so no license, insurance, etc...) crossed the median and hit me head-on.
State Farm took care of everything. Ev. Ry. Thing. Even made sure I didn't miss the flight.
When I came back to America a couple of weeks later, my completely repaired car was sitting in their parking lot waiting for me. That's why I stick with State Farm, and am OK paying more than I would for "discount" insurance.