SaveBook - A cost saving app displaying discount coupons at your location There are several advantages to using a discount coupon: Cost savings Increased foot traffic Provide significant benefits to consumers and businesses alike Immediate savings Encourage impulse purchases Ability to try new products: Discount coupons can also provide an opportunity to try new products or services at a lower cost. For example, a coupon for a new restaurant can encourage customers to try the restaurant without having to pay the full menu price.