Shootall:
Sounds about like what is stored in my memory banks. The tobacco sheds I saw in NC & Va were built to accomodate air flow from bottom thru vents on top, to help with the cooling/curing. a few old-timers used the heat-cured leaves, but what I have stored are air-cured seeds.
We would pile brush and debris from clearing & cleaning on the sites that were to be used to grow the plants, and he would burn them in the spring just before planting time. That killed the mold spores plus provided some of the fertilize. The seeds were started in pots and transferred.
He had wooden boxes about 18" square, sealed on the bottom. Oak, maybe? After curing, he'd trim the leaves, taking out the central veins, alternating layers of leaves/sprinkling with honey or syrup, then put boards on top of the leaves with weights on top of the boards to compress the mix. Later that would be cut into small chunks for chewing. I don't remember how he chopped up the smoking stuff.
I might just barter the leaves, don't plan to use the stuff myself (quit almost 30 years ago). But, if the SHTF, and life expectancy becomes more uncertain, why not....?