Walgreens: Free Listerine Whitening Mouthwash starting today!!!!

***Walgreens Scenario***

Listerine Whitening Rinse 16 oz., $3.99

Buy (1) and Receive a $2 Register Reward
Use $2/1 Listerine Whitening Rinse (zip code 33033)
Pay: $1.99 and Receive $2.00 RR
Final Cost: FREE