Amazon has the 1oz Polysporin First Aid Topical Antibiotic Skin Ointment on sale for $5.64 - 20% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $4.23 with free shipping on $35+ or with Prime.

• The 0.5oz tube is $2.79 after coupon, S&S. (A worse deal though, $5.58 per ounce.)