| Office Rent |
Fixed |
Add $2,500 to monthly overhead; it raises the revenue needed before profit starts. |
Spreading rent across clients and making break-even look easier at low volume. |
| Health Insurance Portability and Accountability Act (HIPAA) CRM and Billing Software |
Fixed |
Add $450 to monthly overhead; it does not change with each client file. |
Treating required admin software like a per-client delivery expense. |
| Third-Party Medical Consults |
Variable |
Use 6.0% of first operating year revenue; it reduces contribution margin on each sale. |
Putting consults in overhead and overstating margin per client. |
| Specialized Software Licenses |
Variable |
Use 4.0% of first operating year revenue; it moves with client-delivery activity. |
Confusing usage-linked licenses with the fixed billing platform. |
| Professional Liability Insurance |
Variable |
Use 5.0% of first operating year revenue; it lowers contribution margin. |
Booking it as flat insurance when the model treats it as revenue-linked. |
| Payment Processing Fees |
Variable |
Use 2.5% of first operating year revenue; each paid invoice carries a fee. |
Ignoring processing fees because they feel small per transaction. |
| Marketing Budget and Customer Acquisition Cost |
Semi-variable |
Model the first operating year at $20,000 and $400 per acquired customer; growth spend rises with acquisition targets. |
Mixing marketing with delivery work or treating every dollar as fixed overhead. |
| Advocacy Payroll Capacity |
Semi-fixed |
Use the $120,000 lead advocate and $24,000 half-time admin as payroll overhead until the next hire changes capacity. |
Treating payroll, marketing, and client delivery work as one bucket. |