| Studio rent, $6,500 per month |
Fixed |
Include the full monthly amount before profit starts. |
Assuming rent flexes when bookings are soft. |
| Professional liability insurance, $450 per month |
Fixed |
Cover it every month, regardless of visit count. |
Leaving insurance out because it feels small. |
| Booking and client management software, $300 per month |
Fixed |
Treat as recurring overhead needed to run appointments. |
Counting software only after volume ramps. |
| Utilities and internet, $850 per month |
Semi-variable |
Use the base monthly bill, then flex usage with longer hours. |
Modeling utilities as flat when treatment rooms run fuller. |
| Studio maintenance and cleaning, $1,200 per month |
Semi-fixed |
Hold flat until traffic requires more cleaning coverage. |
Missing the step-up when daily visits increase. |
| Professional consumables and gels |
Variable |
Apply per session so gross margin falls as treatments grow. |
Treating gels as stocked once instead of used each session. |
| Retail product inventory |
Variable |
Match inventory expense to retail product sales. |
Booking retail revenue without the inventory draw. |
| Digital marketing and lead generation |
Variable |
Keep tied to bookings while early demand is being built. |
Treating launch marketing as optional when early bookings are below plan. |