Cash Back Rewards
My husband and I try to use our credit cards as little as possible, but when we do we use a cash back rewards card (all of the major credit card companies offer them, and most come with no annual fee). Everytime we charge, we earn points that will earn us cash back later on. I guess if you travel a lot, getting a card where you can earn miles also makes sense. We just feel like if we have to charge, we might as well get something out of it!