Double coupon! Amazon has the 3-Pack Sensodyne Extra Whitening Sensitive Teeth and Cavity Prevention Toothpaste (4oz Tubes) for $19 - 20% off coupon (click here to activate) - 20% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $10 with free shipping on $35+ or with Prime.