1, in general, a coupon can only order a corresponding product, if you happen to be a good talk to the front desk cashier, it is possible that a coupon allows you to order more than a few copies. If you can only order one, you can use multiple copies of the same coupon at the same time, so if you really like a particular product, you can print a few more copies to use together.

2, coupons can not be used at the same time with other offers, that is, you can not enjoy the product at the same time other offers, for example, if you want to buy a burger, the original price is 12 yuan a, your discount above is 10 yuan a, it happens to be, and burgers discount activities, that is, you do not have to coupons can be used to buy a burger with 10.8 yuan, then, you use a coupon! purchase would no longer be eligible for the 10% discount.