| Hospital facility lease |
Fixed |
Keep $18,000/month in the monthly base load from Month 1 through Month 60. |
Spreading rent across visits and hiding the true opening-month hurdle. |
| Professional liability insurance |
Fixed |
Keep $1,800/month as a stable monthly operating expense for break-even. |
Reducing insurance when volume is low, even though coverage still must stay active. |
| Hospital software subscription |
Fixed |
Carry $900/month as fixed overhead before calculating contribution margin. |
Tying the subscription to case count instead of treating it as a required operating system. |
| Utilities and climate control |
Semi-variable |
Start with the $2,500/month base, then watch usage as ICU load and overnight operations rise. |
Calling the whole bill fixed and missing higher usage during busier emergency periods. |
| Cleaning and janitorial services |
Semi-variable |
Use the $2,200/month base, with added pressure as treatment rooms, cages, and ICU bays turn faster. |
Ignoring extra sanitation needs when case volume and overnight occupancy increase. |
| Clinical specialist coverage |
Semi-fixed |
Add emergency veterinarians, critical care specialists, surgery specialists, and imaging specialists in staffing steps as capacity expands. |
Treating 24/7 staffing like a pure variable expense that disappears when visits dip. |
| Medical supplies and consumables |
Variable |
Model as revenue-linked supplies, shown at 85% of revenue in the first year assumption set. |
Using a flat monthly supplies budget and undercounting high-acuity case intensity. |
| Pharmaceuticals and medications |
Variable |
Model as revenue-linked medication use, shown at 60% of revenue in the first year assumption set. |
Forgetting that drug use rises directly with treated cases and ICU complexity. |