| Seeds, organic fertilizers, compost |
Variable |
Model as 7.0% of first-year sales, then adjust by year as the input rate changes. |
Treating crop inputs as fixed overhead even though spend rises with planted and sold volume. |
| Eco-friendly packaging materials |
Variable |
Model as 3.0% of first-year sales because each sale needs packing materials. |
Forgetting packaging in contribution margin, which makes break-even look too low. |
| Delivery and logistics |
Variable |
Model as 4.0% of first-year sales, tied to fulfilled orders and delivery volume. |
Counting delivery only as driver payroll and missing route-linked fulfillment spend. |
| Sales and marketing commissions or fees |
Variable |
Model as 2.0% of first-year sales because fees scale with revenue activity. |
Putting all marketing into fixed overhead and overstating contribution margin. |
| Land lease payments |
Semi-fixed |
Use the $500 monthly base in the first year, then step it up as cultivated hectares expand beyond 2 hectares. |
Keeping rent flat while acreage grows from 2 hectares to larger operating scale. |
| Farm insurance |
Fixed |
Use $500 per month in monthly break-even overhead for the relevant planning range. |
Spreading insurance across crop units and making margin look worse at low sales volume. |
| Farm utilities |
Semi-variable |
Use the $800 monthly base, then add usage-linked spend when irrigation, cold storage, and greenhouse activity rise. |
Treating water and electricity as fully fixed when production intensity changes usage. |
| Farm manager and owner/operator salaries |
Semi-fixed |
Include recurring salaries in overhead from Month 1; these do not wait for harvest sales. |
Treating payroll like harvest-only spend when salaries begin before sales arrive. |