On Amazon, they have Arm & Hammer Laundry Detergent, 224 oz for $11.39 when you subscribe & save. In addition to that when you buy 3 you get $10.00 off at checkout (select accounts). If you do that it should be $8.06 per one. That is a lot of laundry detergent, and a really good deal since these are normally $19.49. Click here to grab yours.