The iRobot Roomba Combo j5+ is featured in our roundup of the best robot vacuums as the best budget pick if you want a robot vacuum and robot mop in one device. You’ll have to manually swap out ...

Creator of the robot vacuum Roomba, iRobot was valued at $4 billion just a few years ago. Now it's at the brink of insolvency. How did the company fall so far?