YMMV double coupon method. Amazon has the 0.50 oz. Neosporin Original First Aid Antibiotic Ointment with Bacitracin for $4.88. Drop it to $2.53 using these steps: 

1. Click the one-time purchase option, click the $0.89 coupon
2. Click the S&S purchase option, click the 25% off coupon
3. Checkout with S&S to get additional 5% off.

Should look like $4.88 - $0.89 - 25% off - 5% off = $2.53 with free shipping on $35+ or with Prime.