Thumb Score: +23

Amazon [amazon.com] has 42-Count Gain flings! Liquid Laundry Detergent Pacs (Moonlight Breeze) 4 for $44.64 – 33% – 20% (multibuy discount) = $27.68.
Shipping is free with Prime or on $35+ orders.

Savings
Save 33% on 4 when you buy 4 (check and activate [amazon.com])