Amazon has the 22-Count Greenies Teenie Dental Dog Treats on sale for $6.38 - $1.38 off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $4.78 with free shipping on $25+ or with Prime. About 22 cents per Teenie Greenie.