Price drop! Amazon has the 2-Pack 3oz Colgate Optic White Pro Series Whitening Toothpaste for $12.96 - 15% off coupon (clip coupon) - $4.98 off (check “Save an extra” box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) = $5.39 with free shipping on $35+ or with Prime.