Thumb Score: +19

Amazon has 12-Pack 12-Oz Diet Coke Caffeine Free Soda Cans on sale for $4.68. Shipping is free with Prime or on $35+ orders.

Thanks to Deal Hunter phoinix for finding this deal.
Note: May also be available via Amazon Fresh in select locations (free delivery on $100+ orders, or on $25+ orders with free 30-day Amazon grocery subscription trial). Amazon grocery subscription is a supplemental subscription for eligible Prime members and eligible SNAP/EBT customers.