Here is one deal is will want to take advantage of at Walmart! You can get a $0.52 overage on STP Gas Treatment! Just be sure to find a bottle with the BOGO FREE Rebate on it!
Buy 2 STP Gas Treatment, $1.68 ea.
Use (2) $1/1 STP Gas Treatment printable coupons HERE
Get one free with rebate ($1.68 back)
Total: Free + $0.32 money-maker!