Thumb Score: +18

Amazon [amazon.com] has 12-Pk 14-Oz ARM & HAMMER Fridge-n-Freezer Baking Soda for $9.63 – 15% when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $7.71.
Shipping is free with Prime or on $35+ orders.

Savings
15% off coupon applied. First Subscribe & Save orders only. (check and activate [amazon.com])