There are many reasons to go on coupon websites. one ids for food coupons such as a coupon for Olive Garden Restaurant. Another is for furnishing and homeware coupons such as the like of Jcpenney coupons. What do these coupons do? Well they allow you to participate in the current offer the company is providing such as a 2 for 1 offer, or buy x amount and you’ll get x amount off the bill or free shipping allowance. Some coupons are only valid on certain dates.