Amazon has the 2-Count Colgate Optic White Cool Mint Charcoal Toothpaste (4.2oz Tubes) for $9.98 - $3.40 off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $6.08 with free shipping on $35+ or with Prime.