CVS: Listerine Mouthwash Deals January 5, 2011 This post may contain a link to an affiliate. See my disclosure policy for more information. This week at CVS, you can score Listerine mouthwash for only $0.50 per bottle! Here’s how: Buy 2 Listerine Zero, $5 each: $10 Use 2 $2/1 coupons from Coupons.com Pay $6 Get back a $5 ECB Final cost: $0.50 each Buy 2 Listerine Smart Rinse, $5 each: $10 Use 2 $1/1 coupons from Coupons.com Pay $8 Get back a $5 ECB Final cost: $1.50 each Or you can hang on to your coupons until next week, when it will be FREE: $1 ECB wyb Listerine Zero at $2.99 Use the $2/1 coupon from Coupons.com Pay $0.99 Get back a $1 ECB Final cost: FREE! Thanks, Common Sense With Money!