If you have an untuned bow I don't see how you could hit a deer anyway. An 80 pound bow and it won't pass through the lung area of a deer? You think that is a tuning problem ? I have been at this a long time, apparently longer than you. I made a lot of my own bows, hundreds of strings for people getting into this "Traditional" nonsense, and plenty of arrows. I won't put a nock position on a string. A stick bow is a personal thing and has to suit the guy shooting it. I may answer some questions, but you can not get the "feel" of a bow for someone else. There is half a dozen things that affect the problems you mentioned and none of them has anything to do with "Tuning".