Learn what rewards are available with credit cards, are they worth it, which are best and why it might be something you shouldn't do. Websites mentioned to track points: Mint.com and AwardWallet.com A credit card enthusiast tells you how to use credit card reward programs to your advantage and pitfalls to avoid. Main cards discussed are Chase, Discover, Amex as well as airline cards. Points for airline miles, hotels, groceries, gifts and cash back.