Thumb Score: +20

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.

Price
$11.37 lower (67% savings) than the list price of $16.86
$1.94 lower (26% savings) than the previous price of $7.43