Bestbuy offers iRobot - Roomba j7+ (7550) Wi-Fi Connected Robot Vacuum with Automatic Dirt Disposal - Graphite for $359 (orig. $799) free shipping.

Product Description:
Finally. A robot vacuum you can rely on to get the job done. The Roombaj7 + robot vacuum packs 10x the power-lifting suction and comes withunique intelligence to avoid cords and pet waste. It even understandstimes when you’re home and seasons when more cleaning may be needed.Compared to the Roomba 600 series cleaning system.