The amount of money you might end up saving will often be at least equal to, if not more than, the cost of renting a car in the first place. (travelinsurancereview.net)
Rental car insurance, which was mentioned above, can be purchased when renting a car for a trip. (autos.com)
Credit cards are also great to have when buying airline tickets and other costly items And they are almost a requirement when renting a car with some even providing rental car insurance. (onlinebanktours.com)