JCPenney offers the Michael Graves Design Flip-Flop Microfiber Dust Mop for $9.99. Coupon code "TERRIER3" cuts it to $8.49. Choose $2.95 in-store pickup to dodge the $8 shipping fee. That's $12 off list and the lowest total price we could find. It features a handle with 360-degree swivel, chenille microfibers, and a replaceable head.