Thumb Score: +33

Amazon [amazon.com] has 3-Pk 3.2-Oz Colgate Optic White Advanced Whitening 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
Save an extra $6 on your first Subscribe and Save order. (check and activate [amazon.com])