I remember reading a few self hosters describing having a separate WiFi for IoT devices, on a dedicated router (opensense) so they can prevent these devices “calling home”. They are maybe other advantages like having different WiFi channels for these things

You might want to look at ITflow. Despite the name, it is really a generic tool for businesses or associations, not IT. Foss and here’s a demo

https://demo.itflow.org/login.php

My Pentium III had a turbo switch… Nostalgia

I am using it to access my navidrome server, works quite well. I also use subtracks, not decided yet which I prefer

Yunohost is beginner friendly

https://yunohost.org/