Robot vacuums are massively simpler and they fucking break all the time. Wheel motors or their position sensors, belts, plastic gears, contacts that corrode, a circuit board someone decided to not comformally coat and a cat puked on it...
replyMy roomba (Rosie) is going strong 8 years in. It’s just the bump into everything vacuum only kind but it gets the job done for my 900 sqft apartment
replyNot an expert on this.
replyPassing on what I have heard from robotics researchers at lunch conversations.
My impression is that any moving part that is not an electric motor or an hinge breaks.