| Office Rent |
Fixed |
Use $2,500 per month from Month 1 through Month 60. |
Spreading rent across jobs and understating monthly break-even. |
| Utilities & Internet |
Fixed |
Use $400 per month as base overhead within the current operating range. |
Treating basic connectivity as project-driven usage. |
| General Business Insurance |
Fixed |
Use $300 per month as recurring overhead, separate from project-specific coverage. |
Mixing company insurance with per-project insurance premiums. |
| Drone Consumables & Minor Maintenance |
Variable |
Model at 6% of revenue in the first year, falling to 4% by the mature year. |
Ignoring battery, propeller, and minor repair drag on margin. |
| Project-Specific Data Processing Software Licenses |
Variable |
Model at 4% of revenue in the first year, tied to delivered projects. |
Putting job-specific software inside fixed overhead. |
| Pilot Travel & Per Diem |
Variable |
Model at 5% of revenue in the first year because it moves with field work. |
Burying travel in fixed overhead and overstating contribution margin. |
| Project-Specific Insurance Premiums |
Variable |
Model at 3% of revenue in the first year for coverage tied to client jobs. |
Using only general insurance and missing job-level policy needs. |
| Payroll |
Semi-fixed |
Add payroll in steps when hiring adds capacity, such as pilots, analysts, sales, or admin staff. |
Assuming payroll rises smoothly with revenue instead of hiring jumps. |