Coffee works and tastes better while on other drugs.
So I know what you mean about selling drugs being "semi-ethical" (probably a fanciful way to say "legal") but it's not as unethical as many other things people sell out in the open.
Edit: the other object are interesting: credit card, spy camera...
https://wwwwwwwwwwwwwwwwwwwwww.bitnik.org/r/2015-04-15-rando...
The description doesn’t indicate it was sold as a counterfeit, but no way you can buy an oz of gold for $30 on the dark web...
https://wwwwwwwwwwwwwwwwwwwwww.bitnik.org/r/021-canadian-gol...