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Home Inspection Business input evidence register

43 numeric input paths with their assumptions, calculation bases and cited sources.

Case updated September 19, 2026. This technical appendix accompanies the complete case methodology and source register.

Dataset use notice: no Creative Commons license or DOI is asserted. Referenced material remains subject to its publisher’s terms.

A linked reference can support scope without confirming an exact forecast. Assumption entries identify values that still require local validation. Each field path identifies an input in the common business record.

  • Model assumption

    Authored staged two-inspector opening allocation. Startup and licensing sources establish categories but do not verify vehicles, complete tools, education, insurance, software or reserve.

    capital.total · capital.low · capital.high · capital.items.0.amount · capital.items.1.amount · capital.items.2.amount · capital.items.3.amount · capital.items.4.amount · capital.items.5.amount

  • Model assumption

    Authored completed-inspection path. Year three is 3 inspections × $550 × 5 days × 50 weeks. Official data establish context but not local bookings, mix, fee or collection.

    forecast.years.0.revenue · forecast.years.1.revenue · forecast.years.2.revenue · forecast.years.3.revenue · forecast.years.4.revenue

  • Model assumption

    Authored 18% pool for report delivery, payment fees, travel and inspection-linked operating costs. Replace it with invoices, mileage, software and rework records.

    forecast.years.0.costOfSales · forecast.years.1.costOfSales · forecast.years.2.costOfSales · forecast.years.3.costOfSales · forecast.years.4.costOfSales

  • Model assumption

    Authored paid owner-inspector, employee-inspector and administrative schedule with employer-cost allowance. National pay and federal payroll-tax guidance are context only.

    forecast.years.0.payroll · forecast.years.1.payroll · forecast.years.2.payroll · forecast.years.3.payroll · forecast.years.4.payroll

  • Model assumption

    Authored vehicle, insurance, software, tool, marketing and administration schedule. It is not a local quote or dated cash forecast.

    forecast.years.0.occupancyAndOther · forecast.years.1.occupancyAndOther · forecast.years.2.occupancyAndOther · forecast.years.3.occupancyAndOther · forecast.years.4.occupancyAndOther

  • Model assumption

    Authored completed-inspection break-even bridge. The $550 fee, three inspections, 82% contribution, fixed cost and ramp must reconcile to field, report, travel, review and collection records.

    unitEconomics.driver.model · unitEconomics.driver.low · unitEconomics.driver.high · unitEconomics.volume.model · unitEconomics.volume.low · unitEconomics.volume.high · unitEconomics.daysPerWeek.model · unitEconomics.daysPerWeek.low · unitEconomics.daysPerWeek.high · unitEconomics.fixedCostsMonthly · unitEconomics.contributionMargin · unitEconomics.ramp.startShare · unitEconomics.ramp.stepPerMonth · unitEconomics.ramp.horizonMonths

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