Wheat grown by a farmer for his own consumption, not bought or sold, not carried across state lines, can be regulated by Congress as it affects "commerce ...among the several States."
See Wickard v. Filburn.
See Wickard v. Filburn.
At least that's the logic of the court.
This is stretching the law beyond any reasonable interpretation, done so by the same government who gains a lot of power by doing so.
If a started a business that picks peoples noses among multiple states, would Congress be able to regulate nose-picking by individuals on their own private property?