Use a trusted source. The better path is to check websites such as RetailMeNot, DealsPlus, Coupon Cabin and Slickdeals. These sites work with thousands of retailers and brands, as well as user submissions, to aggregate sales and codes. At RetailMeNot, all codes are tested and verified before being published.

A coupon (also promo code or voucher) is a single code that represents a discount. In the online shopping context, a coupon code is a string of computer-generated letters and numbers that a customer can enter at the checkout to receive a discount or another effect (e.g., free shipping or a bonus item).

Unique Coupon Definition A unique promo code (also referred to as bulk code) is a single promo code generated as a part of a larger promo campaign. Unlike standalone promo codes, unique codes can be published (assigned) to individual customers.

A discount code or voucher code is simply a combination of numbers and letters, that shoppers can enter during the checkout process to redeem a specific discount or offer. A voucher code or discount code may offer a percentage off the total purchase price or a fixed amount off a specific product.