| Studio rent |
Fixed |
Use $6,500 per month in fixed overhead for the relevant planning range. |
Reducing rent when bookings fall instead of holding it flat. |
| Business insurance |
Fixed |
Use $250 per month as fixed overhead before calculating required bookings. |
Spreading insurance across each booking as if it varies with sales. |
| Service supplies |
Variable |
Model at 55% of service revenue in the first year because usage rises with booked work. |
Budgeting supplies as one flat monthly amount while volume changes. |
| Retail product cost |
Variable |
Model at 40% of add-ons and retail revenue tied to client purchases. |
Counting retail sales as pure margin without product replacement. |
| Freelance artist fees |
Variable |
Model at 60% of relevant booking revenue when freelance artists perform the work. |
Treating freelance labor like fixed payroll or ignoring it in contribution margin. |
| Performance marketing |
Variable |
Model at 25% of revenue when spend is tied to booking demand and paid acquisition. |
Leaving marketing fixed even when paid campaigns scale with sales. |
| Utilities and cleaning services |
Semi-variable |
Start with the monthly base of $700 for utilities and $300 for cleaning, then increase when hours expand. |
Keeping both flat even after longer days and heavier studio traffic. |
| Senior makeup artist hiring |
Semi-fixed |
Add salary in hiring steps, starting with the $70,000 annual role from Month 13 as capacity grows. |
Treating all payroll as per-booking labor instead of capacity added in blocks. |