well, you're 1/3 of the way there, no electric height adjust despite electric motor, no electric dump despite electric motor. atleast this is one woman who cleans, so how much is she and where do we contract for her services? you're ball socket connector is already patented for almost 100 years now.
Rolling the whose is good. But the water flow is restricted dramatically while it is still rolled up on the reel. Bad water flow. Not a lot of pressure and water flow. 6 out 10.😏