| Inventory Acquisition and Sourcing Fees |
Variable |
Model at 12.0% of first-year revenue, or about $276,000 on $2.300 million of sales. |
Treating vehicle sourcing as fixed overhead instead of a sales-linked input. |
| Logistics and Reconditioning Labor |
Variable |
Model at 7.5% of first-year revenue, or about $172,500 as unit volume rises. |
Hiding prep overruns inside gross margin instead of tracking them by vehicle sold. |
| Secure Storage Facility Lease |
Fixed |
Use $12,500 per month across the relevant planning range. |
Signing the lease before demand validation and locking in too much monthly burn. |
| Liability and Inventory Insurance |
Fixed |
Use $3,200 per month in operating break-even. |
Underpricing stored inventory risk when higher-value vehicles sit on the lot. |
| Digital Marketing and SEO |
Fixed |
Use $5,000 per month unless the model adds campaign spend tied to sales volume. |
Assuming qualified buyer leads are free after the site goes live. |
| Facility Utilities and Security |
Semi-variable |
Use the $2,800 monthly base, then track any usage spikes from yard activity. |
Treating the full amount as fixed when shop hours and security needs rise. |
| Legal and Titling Services |
Semi-variable |
Use the $2,500 monthly base, with extra review time tied to completed transactions. |
Forgetting that paperwork load rises with each titled vehicle sale. |
| Payroll |
Semi-fixed |
Use $26,250 per month in the first year, then step up when added full-time employees are hired. |
Modeling staff as purely variable even though headcount changes in blocks. |