| Rent ($8,000/month) |
Fixed |
Include the full monthly rent before calculating sales needed to break even. |
Spreading rent across orders and hiding the monthly cash hurdle. |
| Insurance ($800/month) |
Fixed |
Carry as a stable monthly operating expense in the break-even base. |
Dropping it from break-even because it is not tied to daily traffic. |
| Internet and phone ($200/month) |
Fixed |
Treat as required store infrastructure that must be covered every month. |
Modeling it as a card-processing or per-order charge. |
| Licenses and permits ($500/month) |
Fixed |
Include as recurring compliance overhead for the full operating period. |
Treating recurring permit expense like a one-time opening item. |
| Yogurt mix, toppings, cups, and spoons |
Variable |
Model as rising with orders and sales volume. |
Using one flat monthly supply number even when traffic grows. |
| Payment processing fees |
Variable |
Apply to card sales; the first-year assumption is 2.5% of revenue. |
Forgetting fees when average order value rises. |
| Utilities ($1,500/month) |
Semi-variable |
Keep a base utility load, then add usage for machines, refrigeration, and traffic. |
Treating the full bill as fixed during busy months. |
| Base payroll coverage |
Semi-fixed |
Add coverage in steps as open hours, shifts, or service volume increase. |
Treating all labor as variable when the shop still needs minimum coverage during slow hours. |