| Office Rent / Co-working Space, $2,500 monthly |
Fixed |
Include in monthly overhead before calculating the revenue needed to reach Month 9 break-even. |
Treating rent as if it falls when client work is slow. |
| Business Insurance, $300 monthly |
Fixed |
Include as recurring overhead because it stays in place across the planning range. |
Leaving insurance out because it is not tied to one project. |
| Legal & Accounting Fees, $800 monthly |
Fixed |
Add to fixed overhead; it must be covered before profit starts. |
Mixing recurring advisory fees with one-time legal setup spend. |
| CRM & Project Management Software, $400 monthly |
Fixed |
Include in overhead as a base operating tool used across clients. |
Classifying the full subscription as variable because consultants use it on projects. |
| Consulting Wages |
Semi-fixed |
Model as overhead that steps up when added full-time equivalent staff are hired after launch. |
Smoothing new hires evenly instead of showing capacity jumps by year. |
| Project-Specific Travel & Accommodation, 4.0% in the first year |
Variable |
Deduct from revenue when calculating contribution margin, since it rises with delivery volume. |
Putting travel into fixed overhead and overstating margin on each job. |
| Sales Commissions, 6.0% in the first year |
Variable |
Deduct from revenue as a direct sales-linked charge before break-even revenue is calculated. |
Forgetting commissions when testing whether new clients are profitable. |
| Third-Party Expert Fees, 5.0% in the first year |
Variable |
Deduct from revenue as delivery-linked outside labor in the contribution margin. |
Treating outside experts like payroll and hiding project-level margin pressure. |