This is where good business people shine - whether you call them MBA's or not. Often they're not. Good business people will anticipate the expenses needed and

This is where good business people shine - whether you call them MBA's or not. Often they're not. Good business people will anticipate the expenses needed and make sure there's a way to pay them (or delay payments and make sure everything is in a company with limited liability), borrow money in the bank with collateral in your inventory, get good deals with suppliers (If you do it right you'll get a 90 days credit line thus nullifying much of your cashflow problem), etc. etc.