alt Hacker NewsNice. I self host using Navidrome, FreeBSD and Wireguard. I have a decent Fibre connection to my house and a static IP so it's "free" to serve.
I primary do it because Spotify is basically sucking the life out of the music industry and I love heavy metal.
My media library is simply a directory on my Linux NAS, exported over NFS. No VPS, no Plex, no Jellyfin no Jellyfish, no Jelly donut, just NFS. If I want to listen to a song or play a movie, I just navigate to that directory and play it. Simplest system I could come up with.