The discount can either be a percentage or a specific dollar amount. Promo codes also provide customers with free shipping or gift-wrapping. This marketing strategy essentially gives customers yet another reason to buy your products. According to Microsoft, a promotional code, sometimes known as coupon code or discount code, is made up of a combination of numbers and letters. It’s used for specific purposes, such as a holiday marketing campaign. What are the different types of promotional codes? There are three different types of promotional codes store owners can choose from. Public codes – Anyone can see or use a …