I am not an expert and just a guy who enjoys the music.
I have been at it a long time, and as an avid reader here and all I can find, have at least read it all.
I believe you cannot buy an audio system. I think it is something you learn about and assemble. I see it as a work in progress.
My junk is mostly assembled with used gear and not just because it is cheaper. That is a big part of it, but now I find I can own things that were