https://amzn.to/4AetrUc 3-pk 3.2-oz Colgate Optic White Advanced Hydrogen Peroxide Toothpaste on sale for $12.99 - $6 (clip the $6 off coupon on the item page) - $0.65 (5% Subscribe & Save discount) = $6.34. Shipping is free with Prime or on $35+ orders.