How to use this tool
- Enter your own assumptions using a consistent currency and period.
- Review the scenario outputs and compare alternative inputs.
- Check the stated model limits before using the result in an operating plan.
Try this example
{
"renovation": 20000,
"old_rent": 1000,
"new_rent": 1200,
"vacancy_months": 2,
"extra_annual_cost": 200
}Accuracy and scope
Deterministic planning scenario; inputs are assumptions, not forecasts. Excludes taxes, financing, legal requirements and costs not explicitly entered. Source explains the underlying planning framework; this specific scenario arithmetic is original.
Is my data uploaded?
This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.