Im far from local, but Tennessee would be astounded at the thought too. In my opinion, rather than paying local shops to do the work knowing that your budget is that high, why not buy someone else's z that was a funded shop build. to think i thought i went over board.
If your doing the wiring yourself, and planning to pull your old harness out, then unwrap it and measure wire by wire to get the dimensions and colors of exactly what you see in your head.
None-the-less, i am looking forward to your end product. Should be killer.