So for example, if you are buying $50 online at Old Navy, they will give you 10% cash back on that purchase ($5).
Cashback checks are mailed out every 3 months to you. Some current examples today on Cyber Monday are:
SnapFish 20% cashback
Sears 10% cashback
Old Navy 10% cashback
Kmart 10% cashback
Kohls 8% cashback
Amazon 6% cashback
Macy's 6% cashback
Walmart 5% cashback
and many more. They also have coupons for those store on there:)
Here's a link to it HERE