| Greenhouse Maintenance & Repairs |
Fixed |
Include $2,000/month in fixed overhead before calculating break-even sales. |
Spreading repairs across each plant as if they rise with every order. |
| Farm Management Software Subscription |
Fixed |
Include $300/month as fixed overhead for the relevant planning range. |
Scaling the subscription with revenue without a pricing trigger. |
| Insurance and Professional Services |
Fixed |
Include $800/month for insurance and $700/month for accounting and legal support in fixed overhead. |
Leaving recurring compliance costs out of the break-even base. |
| Office Rent |
Fixed |
Include $1,200/month as fixed overhead until space needs change. |
Treating rent as a variable sales percentage. |
| Utilities (Electricity, Water, Heating/Cooling) |
Semi-variable |
Start with the $3,500/month base, then model added usage as production and climate load rise. |
Calling the full utility bill fixed when growing area expands. |
| Soil, Fertilizer, Pest Control, and Packaging Materials |
Variable |
Deduct 4.0% for growing supplies and 3.0% for packaging from first-year sales before contribution margin. |
Putting per-sale inputs into fixed overhead and overstating margin. |
| Shipping, Freight, Platform Fees, and Marketing |
Variable |
Deduct 6.0% for shipping and freight plus 5.0% for platform fees and marketing from first-year sales. |
Ignoring order-linked selling costs in the break-even formula. |
| Salaried Farm Staffing |
Semi-fixed |
Model the farm manager at $75,000, head cultivator at $60,000, admin at 0.5 FTE, and marketing at 0.5 FTE as capacity steps. |
Treating salaried headcount as fully variable instead of step changes. |