Value Page:get "webbucks". These are coupons good for anything in the store the next time you go shopping.
Priceline: Get groceries and gas for up to half price eSave: Get rebates on lots of products and mail in with one stamp or no stamp.
Coupons.com: A great resource for coupons.
Cheap or free merchandise
Cyber Rebate: This has some great deals. You can even get some stuff for free after rebate!