| Facility Rent |
Fixed |
Include $8,000 each month from Month 1 through Month 60 before calculating break-even volume. |
Spreading rent across births and making it fall when visit volume slows. |
| Malpractice & Liability Insurance |
Fixed |
Include $2,500 each month as required overhead that must be covered before profit. |
Treating the full premium as delivery-linked when the model gives a flat monthly amount. |
| Administrative Software Subscriptions |
Fixed |
Include $300 each month as stable practice overhead for scheduling, records, and billing support. |
Scaling software with each client without a usage-based charge in the assumptions. |
| Medical Supplies & Pharmaceuticals |
Variable |
Deduct 4.0% of first-year revenue as supplies used with client care volume. |
Budgeting supplies as a flat monthly amount and overstating margin during growth. |
| Direct Equipment Usage & Upkeep |
Variable |
Deduct 2.0% of first-year revenue as usage-linked equipment wear and upkeep. |
Putting all equipment-related spend into opening purchases and missing ongoing use. |
| Marketing & Client Acquisition |
Variable |
Deduct 5.0% of first-year revenue so acquisition spend rises with booked services. |
Holding marketing flat during ramp and understating the spend needed to fill capacity. |
| External Lab & Referral Fees |
Variable |
Deduct 3.0% of first-year revenue as client-volume fees tied to outside services. |
Ignoring lab and referral fees because the work happens outside the clinic. |
| Staff Midwife Coverage |
Semi-variable |
Model base payroll, then add coverage as monthly treatments and on-call load rise from 1.0 FTE in the first year to 4.0 FTE in later years. |
Treating each added midwife as fully variable per visit instead of a staffing block. |