this is clearly not true in all cases; i think the more likely story is that like most industries, 80% of the profits are taken by 20% of the firms. also, sala

this is clearly not true in all cases; i think the more likely story is that like most industries, 80% of the profits are taken by 20% of the firms. also, salaries don't count toward margin so i wouldn't be surprised if most owner/managers make a reasonable living (albeit with long hours) even if their businesses aren't very profitable on paper.