Stacking coupons. Amazon has the 4oz Bengay Ultra Strength Topical Pain Relief Cream for $7.37. Select "One time purchase" and clip the $1.78 off coupon, then select Subscribe & Save option for $7 - 25% off coupon (check “Save an extra” box, eligible on first S&S order for this product) = $3.38 with free shipping on $35+ or with Prime.