Thumb Score: +58

Amazon [amazon.com] has 4-Pack Energizer 3V Lithium Coin 2025 Batteries with 3-in-1 Child Shield for $4.99 – $1 when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $3.74.
Shipping is free with Prime or on $35+ orders.

Savings
Extra $1 on the first order. Limit 1 item. (check and activate [amazon.com])