Woot offers ECOVACS DEEBOT T20 Omni Robot Vacuum and Mop for $249.99 (reg. $1,099.99) free shipping with Prime. 

Product Description: 
DEEBOT T20 OMNI delivers the kind of clean you’d expect from the #1 Selling Global Robot Vacuum Cleaner brand. The brand-new spinning, pressurized OZMO™ Turbo mop with automatic lifting seamlessly cleans every type of floor surface, leaving you to more important things. Vacuum and mop separately or simultaneously, with powerful 6000 Pa suction power and automatic mop lifting that scrubs hard floors and automatically lifts over carpets to keep them dry. Equipped with object recognition and avoidance, DEEBOT T20 OMNI thoroughly cleans without getting into trouble, keeping tidying off your to-do list. When cleaning is complete, the OMNI station empties the dustbin. Plus, the OMNI station’s new hot water washing feature and hot air drying keep the mop cleaner so your floors stay clean. An upgraded clean for an upgraded life.