This robot is square in shape so it can tuck itself away in a corner, and pretty much be inconspicuous when not running, as the materials would be wood and metal in order to look like it’s part of the furniture (and it would lower itself over its wheels to add to the effect). The arm is contained within behind a sliding door. The top of the robot has a recess for a collection bin that it can fill, then take to a location in the house (each room would have it’s own bin). This would all occur during the day when the owner is off to work so the house is all picked up when they get home.