Amazon coupons are too high, and the actual amount of goods purchased will decrease. Coupons can be used to offset the amount of some goods and achieve the purpose of discounting goods. Coupon can reduce the price of products, and it is a common commercial promotion tool for consumers. Coupons can be printed on the inserts of magazines, attached to newspapers, pasted on the packaging of products, put in shops for people to get, and sometimes even sent to the street for distribution.