[Levitating]

What about the ability to do household chores and cook? You saw a video of a robot that can climb a single staircase in a test environment. We've had machines that climb stairs for a few decades now.

If you want a robot to do household chores, you get a dishwasher, autonomous lawnmower and a washing machine.

[dolmen]

The dishwasher and the washing machine don't auto fill.

Scaling issues as family grows. Ex: sorting socks.