Amazon has the 4oz Dr. Scholl's Odor-X Probiotic Foot Spray on sale for $4.99 - 25% 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) = $3.49 with free shipping on $25+ or with Prime. $10 at drugstores.