Thumb Score: +31

Amazon [amazon.com] has 6-Pack 16.9-Oz Coca-Cola Zero Sugar Soda 3 for $16.56 – $4.56 (multibuy discount) – 5% when you check out via Subscribe & Save = $11.16.
Shipping is free with Prime or on $35+ orders.

Savings
Save $4.56 on 3 select item(s) (check and activate [amazon.com])