Tiddler - not trying to be rude or anything --- But
WHY do you keep sending it off to other shops to do the work? - Do you not have any hands? or fingers? or is there some kind of mental thing you are keeping from all of us here on the site
You seem to have some GREAT Ideas that you certainly show in what you have so far, so youre not lacking for any talent there. With a little bookwork and videos and tools you can do all this stuff yourself man!
Thats part of the journey!
Good luck be with you in the next phase... !