Amazon (AMZN) makes so much money off of its Prime customers it could drop the $79 annual fee...

|By:, SA News Editor

Amazon (AMZN) makes so much money off of its Prime customers it could drop the $79 annual fee and still come out way ahead. Though the company has no pressing reason to cut into the Prime program with it accounting for close to a third of the firm's operating profit, it's a lever which should strike some fear into retailers such as Target (TGT) and Wal-Mart (WMT).