I am always on the look out for good travel deals and how to save money on trips. I think we do a great job booking flights and hotels, and maximizing our Delta and Marriott rewards points. However, car rentals always throw me for a loop. Sometimes I feel like a great deal on car rentals is like a nut I cannot crack! But over the recent years, I have come up with some strategies that have saved me money on car rentals. Here are my best car rental booking tips!