| Property Taxes |
Fixed |
Include $3,500 per month in fixed overhead from Month 1 through Month 60. |
Spreading it across races and making each ticket look less profitable. |
| Insurance (Liability, Property) |
Fixed |
Include $4,000 per month in monthly overhead before calculating required race volume. |
Treating insurance like a per-race charge instead of a site-level bill. |
| Utilities (Electricity, Water, Gas) |
Semi-variable |
Start with the $2,000 monthly base, then pressure-test higher usage as traffic grows. |
Assuming the bill stays flat during longer hours and heavier guest flow. |
| Track Maintenance Supplies |
Semi-variable |
Use the $1,500 monthly base, then add wear-related pressure as race counts rise. |
Ignoring rain, heat, and high-traffic days that drive maintenance swings. |
| Fuel and Lubricants |
Variable |
Model as 40% of first-year revenue, tied directly to sessions and kart usage. |
Putting fuel in fixed overhead and overstating contribution per race. |
| Kart Parts Consumables |
Variable |
Model as 30% of first-year revenue because tire, brake, and parts wear follows usage. |
Delaying parts expense until repairs happen, which flatters early margins. |
| Marketing per Customer Acquisition |
Variable |
Model as 50% of first-year revenue, then reduce the rate as repeat visits improve. |
Calling launch demand organic and underfunding paid customer acquisition. |
| Staffing |
Semi-fixed |
Use $388,000 for first-year payroll, then step up headcount as fleet size and hours expand. |
Ignoring weather-driven labor gaps, event staffing, and weekend coverage needs. |