"I'm adding a 30% markup so I'm making a 30% margin, right?" WRONG. And this one mistake is quietly gutting your profit. Most tradies are accidentally working for peanuts because they confuse markup with margin. Your competitors who understand this difference? They're banking an extra $50k-$100k per year on the SAME amount of work. But here's the good news... There's a dead-simple formula that fixes this forever: Want a 30% profit margin? Take your costs and divide by 0.70 Want a 40% profit marg