Couch potato, decent 6x6, and 7k budget is not going to happen. Get in shape, budget 10k just for the hunt (not including, travel, tips, etc.), then you are in the ballpark. If you want/need to stay a couch potato, you'll need to up your budget closer to the 15k mark.

Source: I've guided 75 ish hunters on ~10k Bull elk hunts.