Walmart: FREE Colgate Toothpaste January 6, 2011 This post may contain a link to an affiliate. See my disclosure policy for more information. Currently, Walmart has Colgate toothpaste on sale for just $1. If you got the $1/1 Colgate toothpaste coupon (4 oz or larger), you can score this for FREE! Colgate Toothpaste, $1 Use the $1/1 coupon from the 1/2 SS Final cost: FREE! Thanks, Passion for Savings!