Coupon codes are simply codes that you enter in the promotional code box on the checkout page when you shop online. Online coupons and coupon codes are a great way to get the best deals possible while shopping at your favorite online stores. In general, treasure hunt gift certificate codes are harder to find, and coupon codes are easy to find. Keep in mind that coupon codes are sometimes case-sensitive.

The bigger question you may have is where do you find those coupon codes.