I got a lower end one on sale and even it has made a positive difference for us. We vacuum less often, but the floor is noticeably cleaner.

My wife was positive we’d be vacuuming just as much, insisted it was just a novelty, but we went from pretty much daily to weekly manual with the bot running daily.

Probably obvious but we realized letting it run in the evening after dinner while we clean made the most sense. You wake up to a clean floor. Prior to that we had it running in the middle of the day while we worked. Effectively it never seemed quite as clean.

I definitely recommend getting one.