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Business numbers guides

• Net working capital formula: how to calculate it and what it tells you

  Net working capital is current assets minus current liabilities. Learn the formula, a worked example and what the number means for cash.

• Job costing for contractors: how to know what a job really cost

  Add materials, labor, subcontractors, equipment and overhead to see the real cost, profit and margin of each job.

• HVAC job pricing: what to include in cost

  Add equipment, labor, permits, subcontractors, rentals and overhead to price an HVAC job, and see why 40% markup is not 40% margin.

• Roofing bid: costs people forget

  Dumpsters, permits, rentals, weather delays, travel time, change orders and overhead: the roofing bid lines that get missed.

• Plumbing service call pricing

  Price a plumbing service call from parts, loaded labor with drive time, truck cost and overhead, using a target margin.

Educational content, not tax, legal or investment advice.