For Prime members only, Amazon offers the Monster Energy Zero Ultra 16-oz. Drink 24-Pack for $28.12. Add it to your cart via Subscribe & Save to lower the price to $26.71. With free shipping, that's $3 under our mention from last month and at least a $5 less than what you'd pay at a local retail store.

Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.