I ran into Dollar General yesterday and found Mail in Rebate peelies on all of the Arm & Hammer Power Paks Laundry Detergent (16 ct. or larger), up to $9.99! They had to 24 ct. priced at $5.00 and the 50 ct. $8.50.
Must have the original Mail in Rebate Peelie, package UPC code, and original receipt dated between 2/1/2012 - 12/15/2012. Must be postmarked by 12/31/2012 Limit one refund per household. No PO Boxes. Allow 4-6 weeks for processing.