Thumb Score: +27

Amazon [amazon.com] has 15-Pack 16-Oz Monster Energy Ultra Sugar Free Energy Drink (Variety Pack) for $27.49 – 40% when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $15.12.
Shipping is free with Prime or on $35+ orders.

Price
$14.87 lower (50% savings) than the typical price of $29.99