Ebates celebrates it's 15th anniversary and they are giving you 15% (or more) cash back at several stores.
Anytime you shop online you should always, always, always check to see if cash back is offered. You can save A LOT of money and it only takes about 3 seconds to do! Not only that, you can make money by referring your friends. Right now you can earn $75 when you make three referral (after a $25 purchase).