Gravity Buys via eBay offers the iRobot Roomba 650 Robotic Vacuum Cleaner
, model no. R650020, for $299.99
with free shipping
. That's $20 under our mention from June, which included an accessory and gift card, and the lowest upfront price we've seen. (It's a current low by $40.) The vacuum features a 3-stage cleaning system, virtual wall, object avoidance, 10-1/2" cleaning path, and on-board scheduling. The replenishment kit includes three Aerovac filters, a bristle, beater, side brushes, and brush-cleaning tool. Deal ends October 10.