iRobot Roomba 650 for $299 at Amazon (price drop!) Leave a reply Amazon has dropped the price of the iRobot Roomba 650 down to only $299. Typically this Roomba sells for $349-399 at most retail stores. The unit ships for free. http://www.amazon.com/iRobot-Roomba-Vacuum-Cleaning-Robot/dp/B008LX6OC6 TwitterFacebookPinterestRedditemail