iRobot’s Roomba Combo Essential with self-emptying base is $170 off right now
iRobot’s Roomba Combo Essential bundle is available for $280 right now via QVC. This is a discount of $170 for a combo pack that includes the Roomba Combo 2 robovac and the self-emptying base. The vacuum typically costs $280 all by its lonesome, so this basically gets you a free base. However, the vacuum is…