| Office rent and core G&A |
Fixed |
Include $7,300/month from rent, utilities, legal and accounting, software, insurance, supplies, training, and security backup. |
Dropping small monthly items that add up every month. |
| Year 1 payroll |
Fixed |
Include about $40.4k/month based on $485k annual staffed compensation in the first operating year. |
Modeling payroll as flexible when the team is already committed. |
| Transaction processing fees |
Variable |
Apply 3.5% of revenue in Year 1, stepping down to 2.5% by Year 5. |
Using gross order value without subtracting processing drag. |
| Direct platform hosting and bandwidth |
Variable |
Apply 2.0% of revenue in Year 1, declining to 1.4% by Year 5 as scale improves. |
Treating hosting as flat while traffic and orders rise. |
| Digital marketing and advertising |
Variable |
Model as 10.0% of revenue in Year 1, plus acquisition budgets planned for buyers and sellers. |
Treating the $350k Year 1 acquisition budget as optional. |
| Customer support load |
Semi-variable |
Use the 3.0% volume-based support rate in Year 1, then adjust for disputes, returns, and buyer questions. |
Assuming every support ticket costs the same to resolve. |
| Support and verification headcount |
Semi-fixed |
Add staff in steps as full-time equivalents rise, including support from 1.0 to 3.0 FTE and verification from 0.5 to 2.0 FTE. |
Letting headcount scale smoothly instead of in hiring blocks. |