| Office Rent |
Fixed |
Carry $3,000 per month from Month 1 through Month 60 as fixed overhead. |
Treating rent as a percentage of revenue. |
| Regulatory & Compliance Retainers |
Fixed |
Include $4,000 per month in the fixed monthly hurdle before profit. |
Burying compliance commitments inside gross margin. |
| Internal Software Licenses |
Fixed |
Model $1,500 per month as operating overhead for the planning range. |
Moving core admin tools into variable service delivery. |
| Legal & Accounting Retainers |
Fixed |
Use $2,500 per month as recurring support for reporting and advice. |
Leaving retainers out until cash gets tight. |
| Cloud Hosting & Infrastructure |
Variable |
Apply 4.0% of revenue in the first year, declining to 2.5% by the fifth year. |
Modeling hosting as one flat monthly bill. |
| Third-Party Market Data & Brokerage Fees |
Variable |
Apply 3.0% of revenue in the first year, declining to 2.0% by the fifth year. |
Excluding market data from contribution margin math. |
| Payment Processing Fees |
Variable |
Apply 2.0% of revenue in the first year, falling to 1.5% from the fourth year. |
Using plan price without card processing drag. |
| Digital Marketing & Advertising |
Semi-variable |
Tie spend to the $500,000 first-year budget and $150 customer acquisition cost. |
Hiding acquisition commitments inside gross margin. |
| Customer Support Specialist Payroll |
Semi-fixed |
Step staffing from 1.0 full-time equivalent in the first year to 2.0 by the third year. |
Assuming support scales smoothly with each new client. |