Amazon has the 6-Count Salonpas 4% Lidocaine Pain Relieving Gel-Patch for $10. Change quantity to 3 to reach $30 -  30% 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) - $10 multibuy discount = $16 with free shipping.