According to Walmart's updated coupon policy, they now allow for coupon overage. So, check out this deal you should be able to get:
Buy 1 travel size Purex Complete 3-in-1 Laundry Sheets $0.98
Use the $3/1 coupon from the 2/20 RP
Final cost: FREE plus $2+ in overage to go towards other items!
(Thanks, I Heart the Mart)