Some people want a cleaner they can start without reaching for a phone. Check which functions remain available on the device before choosing an app-heavy system.

A used robot needs both a physical inspection and a clean account handover. Confirm it can be set up normally before depending on maps or routines left by someone else.

Height alone does not describe a threshold. A sharp lip, narrow crest or change of approach angle can defeat a robot that crosses a gentler obstacle of similar height.

A robot vacuum is unusually dependent on the recipient’s home and preferences. Floor layout, Wi-Fi, lifting and water handling matter more than choosing the biggest specification.