iRobot B321020 Braava 321 Floor-Mopping and Cleaning Robot for $109.99 Shipped
iRobot B321020 Braava 321 Floor-Mopping and Cleaning Robot for $109.99 shipped. Here is a screenshot for reference. It can be used with disposable or microfiber cleaning cloths and features dry- and damp-mop abilities for hard surfaces. Most places have it for about $199.
3 very similar deals were also reported by some other sources: