This seemed important enough to mention in case you wanted to add to the calendar...Amazon.com Credit
Discover Cashback 2% for Amazon
Earn 2% Cashback Bonus on purchases made at Amazon.com subject to a cap of $250 in purchases this billing period; purchases in excess of $250 will continue to automatically earn up to 1% unlimited Cashback Bonus. If a purchase is coded for a merchant other than Amazon.com it will not qualify. Purchases earning 2% Cashback Bonus will not count toward your total annual purchases to determine your tier level. Allow up to 5 weeks for this reward to be added to your Cashback Bonus account. See Cashback Bonus Program Terms and Conditions for further details.