Most rental car agencies offer insurance for the vehicle you're renting, but be sure that you are not already covered by your auto insurance policy or another agency. (smartautoinsurance.com)
Many rental car agencies offer their own rewards programs as well. (johnnyjet.com)
Your rental car insurance policy will also provide collision damage waiver protection which will pay the rental car agency for loss of use of the rental car while it is being repaired. (autos.com)