I live 2 hours away from a reputable shop. Over the years, I've become friends with the owner and began communicating ahead of time that I would be coming in for the day. I would get pretty tuned up with shooting form, then he'd dial the bow in in between other customers. When he did i would watch like a hawk. When he worked on other people's bows i would hover and learn. I would go home for a couple weeks and feel confident shooting and do it again when I had a free day.
I've learned a TON from him and he's helped me get set up with an old press and at home shop. It's built a lot confidence in working on my bow.
I recommend setting some time aside to try to glean some knowledge off someone to are confident in.