Thumb Score: +21

Amazon [amazon.com] has 4-Lbs OxiClean Triple Action White Revive Laundry Whitener and Stain Remover Powder for $15.99 – 30% when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $10.39.
Shipping is free with Prime or on $35+ orders.

Savings
Save an extra 30% on your first Subscribe and Save order. Limit 5 items. (check and activate [amazon.com])