Are there any businesses that are a free lunch though? Most people lose money in finance, like tech startups and every other business I've seen where some of th

Are there any businesses that are a free lunch though? Most people lose money in finance, like tech startups and every other business I've seen where some of the people are making lots of money. Power laws at work. You know what's even less conclusive than portfolio theory? Paul Graham essays and everything Steve Blank says.