| Office Rent and Utilities |
Fixed |
Include $4,500 per month before calculating contribution margin. |
Treating rent as case-linked understates the monthly revenue floor. |
| Professional Liability Insurance |
Fixed |
Include $650 per month from Month 1 through Month 60. |
Dropping coverage from break-even because it does not vary by session. |
| Contract Mediator Fees |
Variable |
Apply 18% of revenue in the first year as delivery volume grows. |
Modeling contract mediators as fixed payroll instead of revenue-linked delivery expense. |
| Legal Document Filing Fees |
Variable |
Apply 2% of revenue when cases require filing support. |
Ignoring small percentages that compound as revenue grows. |
| Client Intake and Assessment Costs |
Variable |
Apply 5% of revenue in the first year as new matters enter the pipeline. |
Treating intake as office overhead when it moves with client volume. |
| Annual Marketing Budget |
Semi-variable |
Start with $45,000 in the first year and flex spend with referral goals. |
Treating all marketing as fixed even when acquisition targets change. |
| Customer Acquisition Cost |
Semi-variable |
Use $450 per acquired customer to test paid outreach volume. |
Averaging CAC into overhead and hiding weak acquisition channels. |
| Senior Case Manager |
Semi-fixed |
Add capacity in steps: 1.0 FTE first year, 1.5 FTE third year, and 2.0 FTE fourth year. |
Treating support labor as case-level expense instead of a staffing step. |