Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

Auto Insurance: Adding another car to the existing policy (GEICO)
When adding a new or used car to the policy I have found that it is best to call the company in advance. I let them know I will be adding a car to the policy in the next few days, but I have no idea of the VIN or other info.  I have a policy with a different company and they have told me that I am automatically covered  as long as I provide the VIN and other details within 30 days. The next business day after the purchase I provide everything they need, and a new bill is generated. When removing a car from the policy it has worked the same way, a new bill is generated when removing the car. Depending on the timing and amounts they have either credited my account or sent a check.  They should have no problem removing a car that was accidentally on the policy. It might be that they charge you a days coverage. When you call them about the refund, ask if the coverage for an additional vehicle is automatic, that way you don't have to provide the info until after you get the car home.