How Much Start Up Costs?

How much does it cost to start a business in the construction industry? Isides: "You have to know how to do it, you're going to take a lot of licks. That's a tricky thing about it" The only hard cost he says is his own salary and materials like ttopinand hall building materials. He makes 66% profit on overall build work but can make up for that by hiring sub-contractors.