How do sweet deals from sites like DontPayFull work? On-site, we have a set of pay-per-click advertising coupon codes, pay-per-click advertising promotional codes and pay-per-click advertising discount codes. For the pay-per-click advertising offers and other items, you can get corresponding coupon codes as well. When you visit the online shopping site where you are making a order from, all you have to do is key in the coupon code. It works pretty much the same method that an actual magazine or newspaper coupon does. Once the code is used, you can get a certain ratio off the original price - which means big savings for your online shopping purchases!