Sears offers the 11.5-lb. Ultra Plus Powder Laundry Detergent with Stain Fighter for $10.99. Opt for in-store pickup to dodge the $12.38 shipping charge. That's $9 off list and the lowest total price we could find. This quantity can handle up to 120 loads.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.