Here's a pattern we see over and over when we open up a roofing company's books: the owner is busy, the crews are booked out, the dumpsters keep rolling in… and the bank account doesn't match the hustle. It's rarely a sales problem. More often, it's a job costing problem. Job costing simply means tracking every dollar of labor, materials, and overhead that goes into a specific job, then comparing it to what you billed. Do it well and you know your true gross profit margin on