Thumb Score: +21

Amazon [amazon.com] has 4-Pk Energizer Max 9V Alkaline Batteries for $9.99 – 40% when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $5.49.
Shipping is free with Prime or on $35+ orders.

Savings
40% off coupon applied. First Subscribe & Save orders only. (check and activate [amazon.com])