Credit cards can get you into a lot of financial problems if you use them in the wrong way, but they can also save you a lot of money if you use them to your advantage. Understanding the perks and the savings that you can get by using credit cards in ways that help you financially can add hundreds of extra dollars to your wallet each year. The important things to take advantage of these perks is to completely understand how credit cards work so that you are in control rather than the company that issued the card.