Amazon offers the 2-Pack of 3.5oz Crest Pro-Health Advanced Extra Deep Clean Toothpaste for a low $4.20 after you "clip" the $1 coupon on Amazon's product page and checkout via Subscribe & Save. If you have 5 or more subscriptions already you can get a 15% off discount.

• Amazon's #1 Best Selling Toothpaste
• Healthier gums by preventing gingivitis
• Stronger teeth by strengthening enamel
• Extra deep cleaning unique formula