How to Sell Coupon?

How to set selling coupon ?

How to use selling coupon?

The goal of selling coupon is to meet the needs of customers. For example, one company purchases coupons as employees benefits; Or somebody buy coupon as the gift give to friend. On the other hand, it can be used as a promotional tool, for example, using $80 buy the value of $100 coupon.

How to set selling coupon?