Sports Authority $20 credit + 10$ off when spending $60 with American Express card and checking into Foursquare.
1. Download Foursquare to your smart phone or ipod touch
2. Sync your American Express card with your Foursquare account
4. Go to Sports Authority and check in. Be sure to load the "Synched Amex Card" special of $20 credit when spending $50.
5. Purchase items of $60 or greater value and use the $10 off $50 coupon. Your total after coupon should be $50(or greater for the foursquare credit to work). You should receive a $20 credit from American express for your next bill.
Amex Foursquare credit
$20 credit when spending $50 expires 7/31/11
(There is a limit of one statement credit per Registered Card, regardless of the number of transactions made)
Sports Authority Coupon
$10 off $50 expires 8/20