| Founder and technical payroll |
Fixed |
Include in the fixed base at about $40,833/month in the first year. |
Treating core payroll as optional because headcount is lean. |
| Office rent |
Fixed |
Include as $5,000/month from Month 1 through Month 60. |
Spreading rent by customer instead of keeping it fixed. |
| Legal and compliance retainer |
Fixed |
Include as $3,000/month because it runs every month. |
Ignoring compliance until customer contracts require it. |
| Business software licenses |
Fixed |
Include as $1,500/month for core operating tools. |
Classifying base software subscriptions as variable. |
| Cybersecurity software and services |
Fixed |
Include as $2,000/month across the planning range. |
Treating security spend as a one-time launch item. |
| Cloud infrastructure and data processing |
Variable |
Model as 4.0% of revenue in the first year. |
Treating recurring cloud use as fixed when usage scales. |
| Third-party data licensing |
Variable |
Model as 3.0% of revenue in the first year. |
Locking data spend flat even as revenue grows. |
| Sales commissions and onboarding support |
Variable |
Model as 9.0% of revenue in the first year: 6.0% commissions plus 3.0% onboarding. |
Leaving commissions and support out of contribution margin. |