I upvote John Carruthers too. You can litterally see and feel his years of experience. This is probably the only set of videos needed, just watch them in order and you’re gonna be fine.
I made my setup and got a little help from everyone here (Setup help : BUZzzz Buzzz buzz - #33 by mediaklan). I think it’s a really good thing that you try it yourself.
note : something to consider too, when you will be done with the truss rod, don’t forget it will take some time to settle.