There is a new coupon out for Colgate toothpastes.  Usually the 4.6oz boxes are $2.48-$2.98 at Walmart but there are some displays that have the Optic White and Max toothpastes for $.94.  You may have to hunt a little for the bins though.

$1.00 off any Colgate Total or Colgate Optic White

Colgate Optic White toothpastes 4.6oz are $.94 at Walmart
     Use the
$1.00/1 printable coupon for Colgate Optic White, Total, Max or Sensitive toothpaste
Final: FREE with $.06 overage