I've got HA set up (nearly 2 years now with a whole host of things connected: Bluetooth, WIFI, iOS devices, Zigbee, etc.) and I think I'm only just getting to the point now of two weekends worth of reading docs (primarily because their documentation seems to be written by developers rather than technical writers). Most time I've spent tinkering with HA was modifying their embedded `mastodon.py` to make it work with GotoSocial (but I think someone upstreamed a fix for that and it's no longer required.)