| Store Rent |
Fixed |
Include $3,500 per month in monthly overhead. |
Tying rent to sales and understating the base revenue target. |
| Store Manager and Staff Wages |
Fixed |
Include Year 1 wages of $14,375 per month as overhead. |
Dropping labor from break-even because payroll is paid biweekly. |
| Direct Produce Purchase Cost |
Variable |
Apply 12% of sales in the first year. |
Treating produce buys as fixed and hiding margin pressure. |
| Packaging Supplies |
Variable |
Apply 1.5% of sales in the first year. |
Ignoring bags, labels, and containers as order volume rises. |
| Spoilage and Waste |
Variable |
Apply 3% of sales in the first year. |
Treating shrink as fixed, which makes break-even look too low. |
| Payment Processing Fees |
Variable |
Apply 1.5% of sales in the first year. |
Using cash-only math when card sales carry transaction fees. |
| Utilities |
Semi-variable |
Model $800 per month here, with usage sensitivity for refrigeration load. |
Forgetting that cold cases can push utility bills up with volume. |
| Store Maintenance and Cleaning |
Semi-fixed |
Start with $400 per month, then step up as store size or service needs rise. |
Keeping cleaning flat after traffic and display space expand. |