Thumb Score: +14

Amazon [amazon.com] has 12-Pk 12-Oz Dr Pepper Soda 3 for $20.91 – $4.92 (multibuy discount) – 5% when you check out via Subscribe & Save = $14.94.
Shipping is free with Prime or on $35+ orders.

Savings
Save $4.92 on 3 select item(s) (check and activate [amazon.com])