https://www.reddit.com/r/mildlyinfuriating/comments/dzrgnk/roomba_with_no_vacuum/ https://www.reddit.com/r/mildlyinfuriating/comments/dzrgnk/r... This one works

https://www.reddit.com/r/mildlyinfuriating/comments/dzrgnk/roomba_with_no_vacuum/ https://www.reddit.com/r/mildlyinfuriating/comments/dzrgnk/r... This one works surprisingly well. I got one at a garage sale for $10 for a lark, and its fully mechanical "navigation" system is surprisingly reliable, in that it rarely ever gets stuck.