Coupon: $1/1 Listerine

There is a new coupon for $1/1 Listerine Whitening coupon which makes for a great Walgreen's deal:

Listerine Whitening + Restoring $5.99
-Use $1/1 coupon
-Stack with $3/1 Walgreen's in-ad coupon (ask for this at the register)
-Pay $1.99
-Get $2 Register Rewards
-Final = Free