As one of its daily deals, Shnoop offers the Mucinex Fast-Max Adult Cold, Flu & Sore Throat Medicine 6-oz. 3-Pack for $16.99. Coupon code "aMulIwHY" cuts the price to $15.99. With free shipping, that's the lowest total price we could find by $4. Deal ends June 30 at 9 pm ET.

These bottles have a February 2015 expiration date.