This idea was blatantly taken from bvaidy@FW.
You can get (5) $20 Gas Cards at OD for $80 after coupon code 81356016.
Gas Card Link: http://www.officedepot.com/a/products/551677/20-Gasoline-Gift-C
Add quantity 5. View cart. Add coupon 81356016. Check out as guest.
Good way to cash out your Worklife Rewards.
You can try to combine with CB sites like ShopDiscover (5%), but YMMV since
it might be considered a giftcard.
To order more, clear your cookies and sign in as a guest each time.