Target has a buy three get one free sale on All laundry detergent. Grab four bottles of detergent and use four $1.50/1 printable coupons. Each detergent will be $4.49!

Buy Three Get One Free through 7/18

Use four $1.50/1All product, any (coupons.com)

Final Price: $4.49 each, when you buy 4