Listed below are some advantages: Superb quality; a real legend. It picks up dirt and dust, washes the rag, gives it a separate rinse after a set amount of time, and plots where it has been washed and where it still needs to be washed on a map. The ideal situation for any single person, homemaker, or IT professional who despises cleaning their floors by hand every week. I think you'll find that, once you have this, everything else is easy. Multiple drawbacks: Still wet, ReactiveAI occasionally avoids calling certain areas out of fear that it will become mired. When I disconnected the power, the vacuum cleaned even more thoroughly. It's very important that your socks and cords not be strewn about the flat (instead, throw them on the table).