Double coupon! Amazon has the 33.8oz Crest Pro-Health Multi-Protection Mouthwash (Clean Mint) for $4.99 - $1 off coupon (choose "One-time purchase" then check "Apply Coupon") - 25% off (check “Save an extra” box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) = $2.49 with free shipping on $35+ or with Prime.