Handyman Service input evidence register
44 numeric input paths with their assumptions, calculation bases and cited sources.
Case updated September 13, 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 two-worker opening allocation. Current tool, ladder, new-van and licensing sources inform category selection but do not verify used vans, full inventory 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 · capital.items.6.amount
- Model assumption
Authored completed-job path. Year three is 3 jobs × $450 × 5 days × 50 weeks. Census classification and occupational duties establish a service scope but do not establish price, volume, route capacity or demand.
forecast.years.0.revenue · forecast.years.1.revenue · forecast.years.2.revenue · forecast.years.3.revenue · forecast.years.4.revenue
- Model assumption
Authored 22% sales-linked pool for job materials, payment fees, route fuel and consumables. Replace it with job invoices, miles, waste, discounts and callbacks.
forecast.years.0.costOfSales · forecast.years.1.costOfSales · forecast.years.2.costOfSales · forecast.years.3.costOfSales · forecast.years.4.costOfSales
- Model assumption
Authored paid working-owner and technician schedule with employer-cost allowance. National occupation pay and federal payroll-tax components 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, tool, software, marketing and administration schedule. It is not a local quote or 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-job bridge for break-even. The $450 ticket, three jobs, 78% contribution, fixed cost and ramp must be reconciled to paid hours, route time and service mix.
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