Lowest price we've seen yet... Amazon with Roborock Technology Co. Ltd has the Roborock S6 MaxV Robot Vacuum Cleaner and Mop with ReactiveAI, Lidar Navigation 2500Pa Strong Suction for $490 - $30 off coupon (check green "Save coupon" box) = $460 with free shipping. Walmart with Roborock has it for the same price.