How do sweet deals from sites like DontPayFull work? On-site, we have a collection of aereos coupon codes, aereos promotional codes and aereos discount codes. For the aereos offers and supplementary items, you can get equal 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 current magazine or newspaper coupon does. Once the code is applied, you can receive a certain percentage off the original price - which means big savings for your online shopping purchases!