American Express: One Time $5 Statement Credit When You Spend A Total of $10 or More

American Express offers One Time $5 Statement Credit When You Spend A Total of $10 or More [Exp. 11/30].
How to get it:
1. Click here and sync your Amex card to your Twitter account
2. From your Twitter account, tweet #AmexPetco to add the offer to your synced Amex Card
* Note, be sure that you receive an "@ reply" message from @AmexSync stating that this offer has been added to your synced Card
3. Spend a total of $10 or more with your synced card at Petco.com by November 30, 2014 and receive a $5 Statement Credit.
4. A statement credit should be issued within 90 days after 11/30/14 with your qualifying purchase

Also available with similar steps as above:
-- Sony (In-Store or Online at Sony Store). Thanks 2ndlife
** $25 Statement Credit on $100 Purchases or More
** Tweet #AmexSony
** Valid through 2/13/15
-- Allen Edmonds (In-Store or Online at Allen Edmonds). Thanks BrodeurSD
** $50 Statement Credit on $200 Purchases or More
** Tweet #AmexAllenEdmond
** Valid through 12/31/14