Extrabux is a website that offers coupons and give cash back for shopping at online retailers. The Extrabux.com claims that it is the first website to combine comparison shopping with coupons and cash back discounts. Extrabux's comparison shopping search engine returns a total price that includes list price, tax and shipping cost, cash back discount and coupon savings. For those who know what store they want to shop at, Extrabux offers a cash back discount when you go through their site.http://www.extrabux.com/help/about

• Comparison shopping

• Online coupons

• Cash back discounts