https://www.woot.com/offers/shark-matrix-plus-2-in-1-robot-vacuum-mop Shark Matrix Plus 2-in-1 Robot Vacuum & Sonic Mop (Factory Reconditioned, UR2650WS) for $99.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.