Originally Posted by Mr. Roboto
How old is this young friend? Don't forget that for almost all car rental companies there will be an additional daily charge if he has not yet reached his 25th birthday. In California it's approximately US$25.00 per day depending on the company.
Enterprise rent-a-car does not charge a penny for drivers 21-24 (underage fee) at almost every California location. Youngsters will most likely find cheaper rates at Enterprise ; )