Gym & Fitness Center input evidence register
45 numeric input paths with their assumptions, calculation bases and cited sources.
Case updated September 30, 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 full-service gym opening allocation. Sources establish planning, accessibility and egress categories but do not verify site, equipment, construction, insurance or reserve amounts.
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 · capital.items.7.amount
- Model assumption
Authored five-year active-member path. Sources establish industry and recurring-payment context but not local acquisition, activation, tier mix, churn, price or growth.
forecast.years.0.revenue · forecast.years.1.revenue · forecast.years.2.revenue · forecast.years.3.revenue · forecast.years.4.revenue
- Model assumption
Authored revenue-linked percentages covering trainer payouts, payment fees, member supplies, refunds and added-service costs. Sources provide context but do not validate the percentages.
forecast.years.0.costOfSales · forecast.years.1.costOfSales · forecast.years.2.costOfSales · forecast.years.3.costOfSales · forecast.years.4.costOfSales
- Model assumption
Authored paid staffing budget. BLS and IRS provide national wage and federal employer context but not local credentials, offers, schedules or full employer burden.
forecast.years.0.payroll · forecast.years.1.payroll · forecast.years.2.payroll · forecast.years.3.payroll · forecast.years.4.payroll
- Model assumption
Authored occupancy and overhead path. Sources identify facility context but not rent, utilities, cleaning, maintenance, software, marketing, insurance or local compliance cost.
forecast.years.0.occupancyAndOther · forecast.years.1.occupancyAndOther · forecast.years.2.occupancyAndOther · forecast.years.3.occupancyAndOther · forecast.years.4.occupancyAndOther
- Model assumption
The $4.125 daily recognized member value, 1,200 active-member base, seven-day schedule, 85% contribution, $111,667 monthly fixed cost and ramp are authored assumptions. Sources provide context only.
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