Promo codes and coupon codes are codes that shoppers can use at checkout to get a discount on their purchases. These codes are usually a combination of letters and numbers and can be entered in a specific field at the time of checkout. Promo codes and coupon codes are offered by retailers as a way to attract customers, promote sales, and clear out inventory. They are often time-sensitive and can only be used for a limited time or on specific products. How Do Promo Codes and Coupon Codes Work? Promo codes and coupon codes work by giving customers a discount on their purchases. The discount can be a percentage of the total purchase price or a flat amount of the total purchase price. For example, a promo code might offer 20% off the total purchase price or $10 off a purchase of $50 or more. Once the promo code or coupon code is entered at checkout, the discount is applied to the total purchase price. How to Find and Use Promo Codes and Coupon Codes To use a promo code or coupon code, sim