This week Dollar General has All laundry detergent on sale for $3.50, go HERE to get a $1.50/1 Dollar General store coupon. First click on the Fresh Start Sweepstakes, then click on the "save now" tab. You have to input 3 friends' email addresses to "share" in order to get the $1.50 coupon, but when you do it will send you the coupon to your email, it takes a few hours to get it. Then stack that with the $1/1 MQ from the 1/1 RP.
Buy All laundry detergent -$3.50
use $1.50/1 DG store coupon
+ use $1/1 MQ
If you have access to more than one computer, you can print several of these DG coupons to really stock up on some cheap detergent! Be sure to print the coupon twice!
See DG store coupon policy HERE.