Five bucks says that 27 different Federal agencies...including the IRS...will be all over his a$$ by the end of this week.
I think you can grow up to a quarter-acre of tobacco for personal use. Any more than that, and it would be... problematic.
Just the same, I could see a massive black market springing up. If TPTB decide to force us into a cashless economy, tobacco, pot and liquor could easily become an illicit sort of currency.
It is already legal to farm 1/10 acre of tobacco for personal use. You just can’t sell it.
Its the same with beer and wine. You can brew up to 200 gallons/yr for personal use.