| Commercial Rent |
Fixed |
Include $4,500 in monthly overhead from Month 1 through Month 60. |
Spreading rent by order and hiding the true monthly floor. |
| Utilities |
Semi-variable |
Start with the $800 monthly base, then watch usage as cafe traffic rises. |
Assuming power, water, and HVAC stay flat at higher volume. |
| Cleaning Services |
Semi-variable |
Use the $300 monthly base, with room for more cleaning as food and drink sales grow. |
Leaving cleaning flat while customer count and food handling increase. |
| Store Manager, Lead Barista/Bookseller, Full-time and Part-time Staff |
Semi-fixed |
Include $150,000 in first-year payroll, or $12,500 per month, then step up as FTE counts rise. |
Ignoring payroll steps when staffing expands with operating scale. |
| Cost of Books & Merchandise |
Variable |
Model as 9.0% of sales in the first year, declining to 7.0% by the fifth year. |
Treating initial book inventory as recurring monthly COGS. |
| Cost of Cafe Ingredients |
Variable |
Model as 5.0% of sales in the first year, declining to 4.0% by the fifth year. |
Using book margins for drinks and meals. |
| Marketing & Promotions |
Variable |
Model as 3.0% of sales in the first year, declining to 2.0% by the fifth year. |
Setting promotions as fixed even when traffic campaigns scale. |
| Payment Processing Fees |
Variable |
Model as 1.5% of sales in the first year, declining to 1.0% by the fifth year. |
Leaving card fees out of contribution margin. |