Amazon has been one of the most well-known ... There are two different types of gift cards: digital gift cards and physical gift cards. Both variations have a 14-digit code on the back.

Signing up for multiple survey sites can help you earn free Amazon gift cards each month. A few words of caution; you'll get ...

In the Payment information section, just type or scan your gift card number. The process is pretty similar if you go through Amazon's website. 1. Head to Amazon and log in, then hover your mouse ...