[SnS, AC] $15.09 | 3 × 12-Pack 12-Oz Dr Pepper Soda ($5.03 each) at Amazon (41.9￠ each)

Amazon [amazon.com] has 12-Pack 12-Oz Dr Pepper Soda 3 for $18 - $2.01 (multibuy discount) - 5% when you check out via Subscribe & Save = $15.09.
Shipping is free with Prime or on $35+ orders.

Savings

Save $2.01 on 3 select item(s) (check and activate [amazon.com])

Subscribe & Save
5%: $15.09 - 41.9￠/ea
15%: $13.29 - 36.9￠/ea
Add 3 to next delivery [amazon.com] (with free shipping)
fillers [amazon.com]

amazon.com/dp/B000R9COOY [amazon.com]

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