Thumb Score: +24

Amazon [amazon.com] has 24-Pack 6.8-Oz Fever-Tree Premium Club Soda for $23.77 – 25% when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $16.64.
Shipping is free with Prime or on $35+ orders.

Savings
Extra 25% on the first order. (check and activate [amazon.com])