
Track charges, payments and balances by tenant in a private offline ledger.

The ZIP includes the tool, instructions, license and example project.Total outstanding rent + collection rate
| Rent billed | $1,800 |
| Outstanding | $0 |
| Collection rate | 100.0% |
| Ledger entries | 1 |
Use one entry per unit and rent period. Save the workspace after every update; the DLS data file becomes the rent history you control.
Estimate the annual CRIM contribución from the assessed (1957) value, exemption and your municipality's rate — before you buy, bid or sign.
The most you can bid and still hit your minimum profit. Write it down before the auction — never bid a dollar past it.
Net profit and ROI from purchase, rehab, holding, closing, ARV and selling costs — the costs beginners forget, included.
How much cash you pull back out at the refinance, and whether the property still cash-flows after.