How do sweet deals from sites like DontPayFull work? On-site, we have a set of miami-dade coupon codes, miami-dade promotional codes and miami-dade discount codes. For the miami-dade offers and other items, you can find equivalent 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 way that an actual magazine or newspaper coupon does. Once the code is used, you can receive a certain percentage off the original price - which means big savings for your online shopping purchases!