How To Start On Custom Mechanical Keyboards

Every time I see someone post a keyboard, it’s one of these brands but for some reason individually all these brands are either “good for beginners” or “no it’s bad” or worse, “it’s $200”

Keychron, Epomaker, NuPhy, Akko, etc.

Who do I pick?

My best scenario would be to buy a keyboard with a volume knob, has RGB backlight and then has hot swappable. That way I can use my switch and keycaps but

Where do I even start?