I wouldn't buy an exotic hoover robot, the Roborock S6 MaxV is equally expensive and is one of the absolute best hoover robots, which even has 3D object recognition and can be constantly upgraded to recognise even more objects. One S6 MaxV can also manage multiple floor cards. Simply carry the S6 MaxV to the next floor, start it and it will save that floor.

Roborock S6 MaxV