It's not expensive, it's an unsolved problem, the main issue for many years has been the modeling of cloth behavior. They already have a folding robot that means they have solved a significant chunk of it.
But the generalization of behaviors is also a large problem. Pick and place is mostly solved I believe, but translating your housework to pick and place in your apartment is still a bit off.
But the generalization of behaviors is also a large problem. Pick and place is mostly solved I believe, but translating your housework to pick and place in your apartment is still a bit off.