"So... how do we figure that? Seriously: How do we do the math in every possible case to ensure I'm not exploiting the person who freely agreed to work for me?"
By "freely agreed", do you mean it in the restricted sense that the worker was not physically coerced to work?
> By "freely agreed", do you mean it in the restricted sense that the worker was not physically coerced to work?
Only as a first step; it has to be more complex than that, which is one reason unions exist (in the ideal world with ideal unions that accurately represent the needs of the people they represent).
By "freely agreed", do you mean it in the restricted sense that the worker was not physically coerced to work?