Thumb Score: +18

Amazon [amazon.com] has 84-Count Finish Powerball Classic Dishwasher Detergent Tablets for $14.99 – 30% when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $9.74.
Shipping is free with Prime or on $35+ orders.

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