Amazon has the 3-Pack Hello Naturally Whitening Fluoride Toothpaste (4.7oz, Farm Grown Mint) for $11.97 - 20% off coupon (check “Save an extra” box) - 5% off with Subscribe & Save (can cancel at any time) = $8.93 with free shipping on $25+ or with Prime. Goes for $4-per-tube at Target and Walmart.