Through 12/31/13, American Express cardholders can earn $25 after spending $75 or more at Amazon.com! First, click here to register any eligible American Express Card. Then, when you spend a total of $75 or more at Amazon.com using that registered card (by 12/31/2013), you will get a $25 statement credit! The credit will appear on your billing statement within 90 days after 12/31/13. Be sure to register your American Express card before you shop, especially if you plan on shopping Amazon.com on Cyber Monday!