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Coupons are a proven way to increase sales for small businesses. E-coupons offer online small businesses the same advantage, and are easy to implement. All you need is a shopping cart program that allows your customers to enter a coupon code.
The coupon code is a series of numbers and letters that your customers will enter before they finalize their checkout. This code will integrate with your shopping cart software to apply the set discount amount.
Read the full story on AllBusiness.com.