A human can do a better job, but they are actually pretty good. I had one about five years ago, and so long as I pressed the "clean" button every day when I le

A human can do a better job, but they are actually pretty good. I had one about five years ago, and so long as I pressed the "clean" button every day when I left my flat it was good enough that I only manually cleaned every two weeks or so. My place was ideal though, all on one floor, with no steps, and polished wooden floorboards + thin carpets only. I expect modern ones are better in terms of suction, battery life, and I know that you can schedule them so that removes the element of having to remember to press the button