| Clinic Rent |
Fixed |
Use $7,500 per month from Month 1 through Month 60. |
Treating rent as visit-based and overstating margin. |
| Liability Insurance |
Fixed |
Use $2,000 per month as a recurring operating charge. |
Leaving it out because it is not tied to treatments. |
| Utilities |
Semi-fixed |
Start with $900 per month and review when rooms, hours, or equipment load increase. |
Scaling utilities straight with revenue like supplies. |
| Cleaning Services |
Semi-fixed |
Use $600 per month until clinic hours or treatment rooms require a service step-up. |
Modeling cleaning as one disposable amount per visit. |
| Medical Supplies |
Variable |
Apply 2.5% of first year revenue, then use the forecast rate by year. |
Using a flat monthly amount despite treatment volume changes. |
| Disposable Instruments |
Variable |
Apply 1.0% of first year revenue as a direct treatment-linked expense. |
Forgetting that each added treatment uses more instruments. |
| Payment Processing Fees |
Variable |
Apply 1.2% of revenue because fees move with collected sales. |
Putting card fees in fixed overhead. |
| Receptionist |
Semi-variable |
Use $3,500 per month per full-time equivalent as front-desk staffing rises from 1.0 to 3.0 FTE. |
Keeping one receptionist while treatments and providers scale. |