Be on the lookout at your Walgreens to see if they have Colgate Pro Clinical on clearance for $1.29.  Here’s how to get it for Free:

Colgate Pro Clinical Toothpaste $1.29
$2.00/1 – Colgate Pro Clinical Toothpaste – (brick.coupons.com) (will need to be adjusted down)

Final Price:  Free

Thanks, Wild for Wags