| Fire-Wise Plants and Materials |
Variable |
Model at 14% of first-year revenue because plant and material spend rises with installed project volume. |
Treating materials as monthly overhead instead of job-driven spend. |
| Direct Fuel and Crew Supplies |
Variable |
Model at 6% of first-year revenue and review by route density as the service area expands. |
Averaging fuel across long routes without checking job clustering. |
| Referral Commissions and Partner Fees |
Variable |
Model at 5% of first-year revenue because partner fees occur only when referred jobs close. |
Ignoring partner-sourced jobs and overstating contribution margin. |
| Equipment Maintenance and Repairs |
Semi-variable |
Model at 4% of first-year revenue, then monitor spikes from heavier truck, chipper, and tool use. |
Burying repairs inside fixed overhead and missing margin pressure. |
| Equipment Yard and Office Rent |
Fixed |
Carry $4,500 per month in operating overhead from Month 1 through Month 60. |
Allocating rent to jobs and making project margins look too low. |
| General Liability Insurance |
Fixed |
Carry $1,200 per month as stable overhead within the monthly planning range. |
Dropping insurance from break-even because it is not tied to one job. |
| Professional CAD and CRM Software |
Fixed |
Carry $650 per month as recurring operating overhead used to sell, design, and manage work. |
Treating core software as optional when it runs estimates and customer follow-up. |
| Crew Payroll |
Semi-fixed |
Use about $34.9k per month in first-year payroll; it steps up when staffing capacity increases. |
Mixing recurring payroll with $287.5k of startup equipment capex in operating break-even. |