Here is a great way to save on laundry detergent and help the environment at the same time. Get a 2-pack of Clean King Green Wash Laundry Balls for only $9.99 (reg. $44.88). Shipping is $2.99 or free with a $15 purchase. The antibacterial and hypoallergenic balls launder clothes without detergent, work with any machine, and last up to 1,000 washes. They are free of chemicals and have fabric softening action so you save on detergent and fabric softener.
There is a limit of 3 per person if you want to stock up. They are only available for the next 4 days.