I had read to keep checking the prices of rental cars because they change daily. Well I did so and the closer I got to my vacation the more expensive the cars got. I paid about 50$ more because I waited to long. It is still two weeks till I get to vegas but I locked in last night. If I waited any longer it would have gotten even more expensive. So do your self a favor if you are going to rent a car, rent early. Ought to be against the law to raise prices because the time is getting closer.