Real estate, business, and execution

The Operator Standard

From the mind of Martin Perdomo. Plain-spoken notes on buying, financing and running real estate like a business.

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Martin Perdomo
A Burst Pipe Is Not a Weather Problem. It's an Operating Failure.

A Burst Pipe Is Not a Weather Problem. It's an Operating Failure.

Martin Perdomo
Published on: 15/10/2026

A month-by-month winterization checklist for rental owners in cold markets, covering heat, pipes, the building envelope, snow vendors, and vacant units.

What Is DSCR — and Why 1.2 Is the Line

What Is DSCR — and Why 1.2 Is the Line

Martin Perdomo
Published on: 13/10/2026

DSCR is your property's income divided by its debt payments. Here's why lenders draw the line at 1.2 — and why operators underwrite above it, not at it.

An Appraisal Is an Opinion. The Market Gives the Verdict.

An Appraisal Is an Opinion. The Market Gives the Verdict.

Martin Perdomo
Published on: 08/10/2026

An appraisal is an opinion. A failed listing is evidence. How lenders weigh appraised value against market price, and how to underwrite your exit.

How to Buy Multifamily When Interest Rates Are High

How to Buy Multifamily When Interest Rates Are High

Martin Perdomo
Published on: 06/10/2026

High rates don't stop multifamily deals — they change who wins them. How to buy on basis, structure the debt, and use seller fatigue as leverage.

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