This is a great time saver. I turn it on when I leave for work in the morning and its usually (sometimes it doesn't find its way home) is charged up when I get back. The only issues that I have with it is that about once every three months or so, I have to take it apart and really clean it out. I think the sensors are getting dirty. The other issue is that sometimes it will get stuck. Perhaps someone will come up with roomba friendly furniture.