I have been for about a year with one 8gb Pi 4 with a 500gb ssd. I bought it as a way to dip my toes into self hosting. Started with Home Assistant OS, but now I have a bunch of containers set up, such as Home Assistant, Plex, Sonarr, Radarr, Prowlarr, qbittorrent, and a few others. I will eventually get something a little beefier to host my media, but will absolutely keep the Pi running.