I also see this as more of a Dick Proenneke

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than Les Stroud type of situation. More 'off the grid' than 'survival' ?
Cool, right up my alley (especially with a month to prep).
I think I'd start with seedlings, a few chickens and a rooster, maybe a goat. If we're assuming that we are specifically choosing an area, then we can place ourselves in an area with the natural amenities we want, right? Wow, that makes it a no-brainer: I'd choose the beach in Playa Del Carmen and a truck full of cash, lol. Sorry, I digress: back to the Smoky Mtns...
Seriously though, I think that a 6 month time frame puts you into a cultivation mode rather than one of survival. If you have a growing season and a stream, seedlings will keep you fed and fencing them so they aren't something else's dinner is going to keep you busy. It would take me the month of prep to figure out precisely what seedlings to take. A deer feeder and a salt lick might be a worthwhile addition while you're shopping in the agri supply store...
For meat, I'll use a local example because I'm not familiar with the fauna of the Smokies. A 308 ought to suffice for anything that a .17HMR or .22 can't dispatch and maybe a shotgun as well for birds. A bit of livestock will provide some protein (milk/eggs) and survival rations if need be.
I'd probably concentrate on more 'intensive' fishing methods (nets, weirs, traps) if food was low, but it would pay to put the basics in place while you're still fat & happy. The rod & reel would be used strictly as a past time (but would DEFINITELY be part of the gear!!!), there's much more productive ways to get fish into one's belly.
A chainsaw and a jerrycan is smaller and lighter than a pile of lumber. Axes, hatchets and saws don't take up much room either. Once on site, a locally made waterwheel driving the alternator pulled from the truck to charge it's (also removed) battery is a piece of cake (and something I've been playing with lately, lol)
The standard staples would also have a place: flour, sugar, baking powder, rice and let's not forget life's little luxuries as well. Morale is what will change how you view this (or any) experience. The odd tot of Irish whiskey, some chocolate, or some herb will bring you around when you start having second thoughts about your 'adventure'.
A well tent would make a great home at first, then ought to work as a smokehouse. What can I say: I prefer smoked meats and trout to grubs and my own urine, lol.
The tough part is all the books I'd want to bring for 6 uninterrupted months !
So when do we go ?