| Design studio rent |
Fixed |
Add $3,500/month to fixed overhead from Month 1 through Month 60. |
Spreading rent across jobs as if each new project drives it. |
| CAD and GIS software subscriptions |
Fixed |
Add $850/month to fixed overhead while the subscription base is committed. |
Scaling the full subscription bill with revenue instead of planned seats. |
| Professional liability insurance |
Fixed |
Add $1,200/month to fixed overhead before calculating required contribution. |
Leaving it out because it is not tied to one specific course. |
| Year 1 payroll |
Fixed |
Use $25,417/month as base staffing overhead for first operating year capacity. |
Treating salaried staff like hourly project labor and understating break-even revenue. |
| Annual marketing budget |
Fixed |
Use $3,750/month in the first year, based on the $45,000 annual plan. |
Counting spend only after leads arrive, even when the budget is already committed. |
| Subcontracted construction labor |
Variable |
Deduct 12.0% of revenue in Year 1 before contribution margin. |
Classing subcontractors as fixed, which overstates margin as project volume grows. |
| Travel and site assessment expenses |
Variable |
Deduct 8.0% of revenue in Year 1 because site work rises with projects. |
Treating site trips as office overhead and hiding job-level drag. |
| Added designers and project managers |
Semi-fixed |
Add payroll in hiring steps as volume grows; senior designers rise from 1.0 to 3.0 FTE and project managers from 1.0 to 2.0 FTE. |
Smoothing headcount as a revenue percent instead of adding hires in chunks. |