Blog
The deal book, in writing
How REIN holds the model, the checklist, and the files on the same deal.
Underwriting 2026-08-18
A three-year cap on a five-year hold
Floating-rate debt is cheap until the cap expires. REIN models the uncapped years instead of hiding them in a blended rate.
ReadProduct 2026-08-15
Ask about the file you filed
The analyst answers from the deal book and the documents you uploaded. Counts and lists walk every row. Figures that are not in the file are not invented.
ReadProduct 2026-08-12
The model and the backup belong on the same deal
REIN is a deal book for commercial real estate: five pipeline stages, an underwriting engine, and a checklist that will not close a required item without a file or a written waiver.
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