| Rent or commissary space |
Fixed |
Use $12,000 per month from Month 1 through Month 60 before testing monthly sales coverage. |
Mixing truck setup, working capital, and monthly rent into one overhead number. |
| Utilities |
Fixed |
Use $1,500 per month as stable overhead within the current planning range. |
Making utilities rise with every burger sold without usage-based data. |
| Insurance |
Fixed |
Use $450 per month as required operating overhead regardless of order volume. |
Dropping coverage in slow months even though the bill does not flex with sales. |
| Year 1 staffing payroll |
Semi-fixed |
Use $406,000 annually, or $33,833 monthly, then increase in steps as FTE counts rise. |
Treating all labor as per-order variable or flat through the full forecast. |
| Organic ingredients |
Variable |
Use 14.0% of sales in the first year, falling to 12.0% by the fifth year. |
Booking food as a fixed monthly spend, which hides margin risk when orders rise. |
| Marketing & Promotions |
Variable |
Use 2.5% of sales in the first year, falling to 1.8% by the fifth year. |
Using a flat ad budget while the model assumes percentage-of-sales spending. |
| Payment Processing Fees |
Variable |
Use 1.0% of sales each year and apply it only to paid order volume. |
Classifying card fees as a fixed software bill instead of a sales-linked charge. |
| Fuel |
Semi-variable |
Use this treatment only when route-driven amounts are entered; split base route needs from mileage or event usage. |
Hiding route usage inside rent or general overhead, which overstates break-even accuracy. |