Thumb Score: +26

Amazon [amazon.com] has 12-Count Finish Dishwasher Cleaner Tablets for $19.99 – 30% when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $12.99.
Shipping is free with Prime or on $35+ orders.

Savings
Extra 30% on the first order. Limit 1 item. (check and activate [amazon.com])