A DealNews exclusive! Petmate offers the Arm & Hammer Dog Waste Bag Dispenser and Refill Pack for $7.99. Plus, coupon code "DNDOG" bags free shipping. That's the best price we could find by $6 for a similar number of bags and dispenser. It includes a total of 600 bags and a dispenser that features a hook to easily attach to a leash, belt loop, or bag strap. Deal ends March 22.