| Rent Commercial Space |
Fixed |
Use $12,000 per month in the fixed overhead base from Month 1 through Month 60. |
Spreading rent across each order and hiding the true monthly sales hurdle. |
| Business Insurance |
Fixed |
Use $750 per month as fixed overhead because it does not change with event count in the model. |
Dropping insurance from break-even because it feels small compared with rent. |
| Software Subscriptions |
Fixed |
Use $600 per month as fixed overhead unless the plan changes with volume. |
Treating core software as a per-event fee without a usage-based driver. |
| Cost of Wine & Beverages |
Variable |
Apply the modeled beverage rate to sales; the first-year rate is 10.0% of revenue. |
Using the full beverage sales mix as expense instead of the modeled product cost rate. |
| Cost of Food Ingredients |
Variable |
Apply the modeled ingredient rate to sales; the first-year rate is 5.0% of revenue. |
Budgeting food as fixed kitchen spend instead of a sales-linked input. |
| Credit Card Processing Fees |
Variable |
Apply 2.5% of first-year revenue, falling to 2.1% by the fifth year. |
Leaving payment fees out of contribution margin even though every card sale carries a charge. |
| Utilities |
Semi-variable |
Start with the $1,500 monthly base, then watch usage risk as event load rises. |
Calling the whole utility bill fixed when prep volume, refrigeration, and event days can push it up. |
| Service Staff |
Semi-fixed |
Model salary in steps as full-time equivalent staffing rises from 3.0 in the first year to 7.0 in the fifth year. |
Treating salaried payroll as per-order cost unless hours truly flex with events. |