This was my first year doing it myself and it doubled the thrill of the hunting experience. It's really and completely your hunt at that point - now I could never have someone else do it.
I agree with the above two posts after researching on the web & asking around a lot. Have you ever seen a blow torch or a shop vac in a butcher shop?
As for water - I worked as a chef for a good number of years and we never, ever washed steak. Why do that do your deer?