Thumb Score: +26

Amazon [amazon.com] has 3-pk 3.2-oz Colgate Optic White Advanced Hydrogen Peroxide Toothpaste for $12.99 – $6 when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $6.34.
Shipping is free with Prime or on $35+ orders.

Savings
Extra $6 on the first order. (check and activate [amazon.com])