| Rent |
Fixed |
Use $10,000 per month from Month 1 through Month 60 in the operating break-even base. |
Reducing rent as sales rise, which overstates margin improvement. |
| Property taxes, insurance, permits, subscription, accounting, and cleaning |
Fixed |
Use the combined $3,550 monthly base: $750 property taxes, $600 insurance, $300 permits, $200 subscription, $700 accounting and legal, and $1,000 cleaning and maintenance. |
Spreading these items as a sales percentage instead of a monthly commitment. |
| Food Ingredients |
Variable |
Use 10.0% of sales in the first year, falling to 8.0% by the mature year in the model. |
Modeling food purchases as flat even when covers rise. |
| Beverage Ingredients |
Variable |
Use 4.0% of sales in the first year, falling to 3.0% by the mature year in the model. |
Forgetting that beverage mix can lift gross margin as volume grows. |
| Marketing & Promotions |
Variable |
Use 3.0% of sales in the first year, stepping down to 2.0% by the mature year. |
Keeping launch-level promotions forever after demand improves. |
| Credit Card & POS Fees |
Variable |
Use 2.0% of sales in the first year, falling to 1.5% by the mature year. |
Treating payment fees as fixed when they move with ticket volume. |
| Utilities |
Semi-variable |
Start with the $2,000 monthly model amount, then pressure-test higher usage if hours, refrigeration, or kitchen load rises. |
Leaving utilities flat while extending service hours. |
| Payroll |
Semi-fixed |
Use $472,000 in first-year annual salaries, then step it up only when full-time equivalent staffing increases. |
Treating wages as per-sale variable costs; this model staffs capacity in steps. |