$4 off Select Crest Toothpaste. Amazon has a 3-pack of the Crest Pro-Health Pro|Active Defense Deep Clean Toothpaste (4 oz. Tubes) for $14.49 - $4 off coupon (check green "Save coupon" box) - extra $1 off with code 1CREST at checkout = $9.49 with free shipping on $25+ or with Prime.