Tanner Insurance recommends this coverage for clients who rent vehicles for more than 5 days a year. This coverage extends collision and comprehensive coverage to a vehicle that you assume under a written agreement. For example, if you rent a vehicle while on holidays and you have an accident, this coverage will pay for any damage to the vehicle you rented. This coverage usually has a limit between $25,000 and $50,000, and costs about $25 annually. If you purchase this insurance from the car rental company, you may pay up to $25 a day.