This document provides tips for renting a car cheaply through sites like Priceline and Hotwire. It recommends first checking rates on sites like Expedia and Orbitz to compare prices. It then suggests making offers on Priceline that are slightly lower than the average for a basic car, which may result in significant savings compared to the regular rates. Finally, it advises adding insurance and GPS to any rental to provide protection and convenience during the rental.