| Rent |
Fixed |
Include $25,000 per month from Month 1 through Month 60 before counting contribution margin. |
Tying rent to daily covers instead of treating it as committed overhead. |
| Utilities |
Semi-variable |
Start with the $5,000 monthly base, then allow usage to rise as service volume grows. |
Modeling the full utility bill as fixed when prep and service hours expand. |
| Equipment Maintenance |
Semi-fixed |
Use the $700 monthly amount until higher usage forces a service or repair step-up. |
Spreading repairs evenly with sales instead of planning capacity jumps. |
| Seafood & Produce |
Variable |
Apply the food percentage to revenue, starting at 10.0% in the first year and falling to 9.0% by year five. |
Putting ingredients in overhead, which overstates margin on busy days. |
| Beverages & Bar Supplies |
Variable |
Model as revenue-linked supply spend, starting at 2.0% in the first year and moving to 1.8% in later years. |
Using one flat monthly supply number despite changing beverage sales mix. |
| Credit Card Processing Fees |
Variable |
Charge processing directly against sales, starting at 2.5% in the first year and declining to 2.2% by year five. |
Forgetting that card fees rise every time order volume rises. |
| Marketing & Promotions |
Variable |
Use the sales-based rate, from 2.0% in the first year to 1.5% in years four and five. |
Treating all promotion spend as fixed even when offers scale with sales. |
| Head Chef and Restaurant Manager |
Fixed |
Include salaried leadership as fixed payroll within the monthly planning range. |
Treating every payroll dollar as variable; salaried roles do not flex by order. |