People have been noticing Up2U Mentos Gum on Rollback for $0.99 at many Walmart locations. If you have the $1.00/1 Up2U Mentos Gum coupon from the Smart Source insert on 1/1/12, check your local Walmart for this possible Rollback:
Mentos Up2U Gum, Rollback $0.99
Use $1.00/1 Up2U Mentos Gum (Smart Source 1/1/12)
Final Price: FREE, + $0.01 overage
*Note* Prices can vary by store location.