Inviting a robot vacuum-mop into your life is a big decision. An autonomous floor-cleaning machine roaming your home is equal parts glorious and intrusive. But if it does its job well, you may forgive it for eating your rug tassel, running over your Apple Watch, smearing strawberry jam across your carpet, or chattering to you in Chinese at 3AM — all things that have happened to me in my six years of testing these things.
Over that time, I’ve learned that the best robot vacuum-mop is the…
