At Walgreens this week the Listerine mouthwash, Reach Toothbrushes and Reach Dental Floss are on sale 3 for $9. In addition you get $6 back in register rewards(RR) to use on your next purchase. If you clip the Sunday coupons there was one for $5 off 3 of these products so you can get all 3 for $4 and get a $6 reward coupon to be used later. You could even use it the same day if you want. There is also a deal with Colgate Enamel Strength Toothpaste. It is $2.99 and you get a RR for $2.99. You can use one of the many colgate coupons from recent papers and get it for better than free with RRs.