| Food & Beverage Costs |
Variable |
Treat 100% as volume-linked; the model starts at 10.0% of sales in the first year and declines to 8.0% by Year 5. |
Using one food percentage for every event size and ignoring menu mix. |
| Packaging Materials |
Variable |
Tie packaging to covers, orders, and event count; the model starts at 3.0% of sales and declines to 2.0% by Year 5. |
Putting packaging into a flat supplies budget. |
| Payment Processing Fees |
Variable |
Apply processing as a sales-linked fee; the model starts at 1.5% of sales and declines to 1.0% by Year 5. |
Modeling card fees as a fixed bank charge. |
| Marketing & Promotions |
Semi-variable |
Treat the flexible portion as booking-linked; the model starts at 4.0% of sales, with 40% suitable for event-volume sensitivity. |
Freezing all marketing even when bookings rise. |
| Restaurant Lease Rent |
Fixed |
Carry $10,000/month from Month 1 through Month 60 in the fixed break-even base. |
Spreading rent across events and hiding the monthly hurdle. |
| Utilities |
Fixed |
Use the model’s $2,000/month fixed input unless a separate usage driver is added. |
Treating utilities as variable without a usage formula. |
| Software, Hosting, Insurance, Repairs, Security, and Admin |
Fixed |
Include the modeled $4,700/month combined fixed base: $1,200 software, $800 hosting, $750 insurance, $900 repairs, $600 security, and $450 admin. |
Leaving small fixed lines out because each one looks minor. |
| Salaried Staffing |
Semi-fixed |
Use $31,167/month in the first year, then increase in steps as full-time equivalent staffing rises. |
Scaling every salaried role directly with sales. |