Avoid buying the wrong hub
Matter / Thread Home Assistant mistakes to avoid
Matter and Thread can simplify smart homes, but the wrong controller path can create unavailable devices, missing entities, stale fabrics, and unnecessary hub purchases.
Short answer
The safest path is to identify your Matter Controller, Thread Border Router, active Thread network, and Home Assistant Matter Server before pairing or resetting devices.
Assuming every Matter controller is a Thread Border Router
Check the exact hub role before buying. Some devices control Matter but do not route Thread.
Resetting devices before checking the active fabric
If Apple Home or Google Home still controls the device, use that clue before deleting or resetting anything.
Creating multiple Thread networks without documenting them
Record which hub created each Thread network and which phone or controller has its credentials.
Expecting Matter to expose every vendor feature
Treat Matter as the standard control path. Advanced diagnostics, child devices, and vendor features may stay elsewhere.
Building automations before entities are stable
Confirm entity names and exposed capabilities before you rely on automation YAML.