There is a great new Diaper Genie Coupon available. The coupon is for $3 off any Diaper Genie Refill.
Kmart has Diaper Genie 1 pack, 270 ct Refill priced at just $6.29 making them only $3.29 after coupon.
Target has them priced at $6.89 plus there is a 20% off Target Cartwheel Discount you can use on top of it making them just $2.51 (thanks for the update Tracey!)
Here are some deals: