Thumb Score: +29

Amazon [amazon.com] has 12-Pack 20-Oz vitaminwater Flavored Water Beverage (Energy Tropical Citrus) 2 for $33.36 – $10 – 20% (multibuy discount) – 5% when you check out via Subscribe & Save = $18.35.
Shipping is free with Prime or on $35+ orders.

Savings
Save $10 when you buy $30 of select items (check and activate [amazon.com])