Thumb Score: +29

Amazon [amazon.com] has 6-Pack 16.9-Oz Coca-Cola Zero Sugar Soda 4 for $22.08 – $7.08 (multibuy discount) – 5% when you check out via Subscribe & Save = $13.88.
Shipping is free with Prime or on $35+ orders.

Savings
Save $7.08 on 4 select item(s) (check and activate [amazon.com])