Credit cards generally only cover the cost of the rental car, I've not seen one that provides liability coverage. So if you don't have a vehicle of your own, wh

Credit cards generally only cover the cost of the rental car, I've not seen one that provides liability coverage. So if you don't have a vehicle of your own, which would provide such coverage, the little-known rental car policy is what saves you from having to fork over extra cash for liability coverage.