Sears offers the Ultra Plus Powder Laundry Detergent w/ Stain Fighter 275-Load Box (pictured) for $13.49. Plus, Shop Your Way Max members receive free shipping. (Not a member? It's free to sign up for a 90-day trial; otherwise, shipping adds $21.59. In-store pickup is also available.) That's $0.05/load, $14 off, and tied with our mention from January as the lowest total price we could find. (We saw it for pennies less for pickup only in December.) This detergent is rated for high efficiency use in all washer types.

Also available is the Ultra Plus Powder Laundry Detergent w/ Fabric Softener 275-Load Box for $13.49. Plus, Shop Your Way Max members receive free shipping. That's $0.05/load, $14 off, and another price low.