Thumb Score: +20

Amazon [amazon.com] has 4-Pack 12-Oz C4 Performance Energy Carbonated Drink (Strawberry Blast) for $3.90 – 5% when you check out via Subscribe & Save = $3.70.
Shipping is free with Prime or on $35+ orders.

Subscribe & Save
5%: $3.70
15%: $3.31
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