Thumb Score: +14

Amazon [amazon.com] has 12-Pack 12-Ounce C4 Energy Drink (Frozen Bombsicle) for $14.31 – 35% when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $8.58.
Shipping is free with Prime or on $35+ orders.

Price
$10.41 lower (55% savings) than the typical price of $18.99
$2.10 lower (20% savings) than the previous price of $10.68