I tried the Cutco-selling gig for a couple months, and realized almost immediately that I wasn't cut out for it. Sure I could follow the manual (which was golden as far as things-you-need-to-do-to-convert), smile, talk smoothly, answer questions, etc., but inside I think I just fundamentally couldn't shake the feeling that "If these people wanted what I was selling, they'd have gotten it already." (And I think that came out a bit whether I wanted it to or not.) On a high level I know that can be false, but intuitively, that's how I think; I hate ads and when I buy something non-trivial it's usually after personal research, not because of a salesman. Salesmen even make me less likely to buy something especially because I can see through all their rhetoric. I find something really wrong with exploiting the cognitive biases of people even if it's been done for all time, and even if I do it sometimes subconsciously. We should be trying to eliminate those biases, not feeding them.
All this said though, you don't have to be a sociopath or a real hustler to see the opportunity of printing out new menus for a quick buck. That's more in line with hacking than with money grabbing, I think. More similar to a college student coming up with pizza money for a weekend than with going after money as a goal in itself.