Build a Rental Property Empire: Review (2026)

Mark Ferguson is a Colorado real estate agent who bought rental houses, and what separates this book from its competitors is that he shows you the actual deals — purchase price, rehab, financing, rent, what he got wrong. Very few authors in this genre will put their own numbers on the page.

Snapshot	Details
Author	Mark Ferguson
First published	2016; revised since
Distinguishing feature	Real deals with real figures, including the bad ones
Best for	Investors going from one property to a portfolio
Hard constraint	Written in and about a market that no longer prices this way

The agent's advantage, stated honestly

Ferguson is unusual among authors here in being a working agent, and he does not pretend that is neutral. A large part of the book argues that getting licensed is worth it for a serious investor: MLS access, commission on your own purchases, and — the part people underrate — seeing hundreds of properties a year and developing a calibrated sense of value.

He is also clear about the cost. The licence carries fees, continuing education and a brokerage relationship, and the commission savings only matter at volume. That balance is the tell of a book written by someone who did the thing rather than sold a course about it.

What is genuinely useful

The financing progression. Ferguson walks the sequence most investors actually follow: conventional loans, hitting the conventional-loan ceiling, then portfolio lenders and commercial debt. The chapter on what happens when you exhaust conventional financing is the one many readers arrive for, and it is more concrete than the equivalent in competing books.

Cash flow standards stated as numbers. He is willing to say what he requires from a deal rather than gesturing at "positive cash flow." Whether or not his threshold works in your market, a stated standard you can argue with beats a rule of thumb.

Buying below market as a repeatable process. Not a wholesaling pitch — a description of how an agent finds distressed and mispriced listings on the MLS, which is a less glamorous and considerably more replicable channel than direct mail.

Failures included. Deals that went badly, contractors who did not finish, an early property he should not have bought. The genre is short of this.

Where the book collides with 2026

The purchase prices are unrecoverable. Ferguson was buying Colorado houses in the low six figures in the mid-2010s. Northern Colorado is now one of the least affordable markets in the interior West. The deals in this book cannot be reproduced near where they were done.

The financing ladder assumes rates that are gone. It is built on 30-year conventional debt priced in a different decade. Most investors past the conventional stage now use DSCR loans, which the book does not cover — they qualify the property rather than the borrower, which changes both the ceiling and the underwriting. Run your own numbers through the DSCR calculator rather than the book's.

Cash-flow thresholds do not survive the transfer. A $100/door standard against a $120,000 purchase is a different requirement than the same figure against a $350,000 one. Read the reasoning, discard the number.

Insurance and property tax escalation are absent. Both have moved enough since publication to invalidate the operating assumptions in several states.

Who should read it

• Investors with one or two properties who want to understand how the financing runway ends and what comes after.
• Anyone weighing whether to get a real estate licence and wanting the case made by someone with skin in it.
• Readers tired of books that will not disclose a single real number.

Who should skip it

• Complete beginners. The book assumes rental basics and moves fast. ABCs of Buying Rental Property is the better first read.
• Investors in expensive coastal metros. The strategy is calibrated to markets where a rental house costs a fraction of what yours does. Long-Distance Real Estate Investing addresses your problem more directly.
• Anyone looking for passive income. Ferguson works. The book is about a job.

What to read next

• Long-Distance Real Estate Investing — the answer when your own market has priced out.
• The Book on Managing Rental Properties — Ferguson uses managers and mostly assumes you know what good management looks like.
• Financing your first rental: conventional, FHA or DSCR — the current version of the book's central chapter.

Final take

Worth reading for the transparency, the financing progression and the licence argument. The specific deals are a record of a market that closed, and treating them as a template will lead you to underwrite a 2026 purchase against 2015 economics. Take the process; rebuild every number.

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