The ABC's of Real Estate Investing

Reviewed by Diario de un Inversor · UpdatedJune 13, 2026

Our review

Ken McElroy wrote this book as an introductory manual for those wanting to enter the real estate market with a cash flow logic rather than a speculative appreciation mindset. Published in 2004 within the Rich Dad publishing ecosystem, it is more technical and more honest than most titles in that family: McElroy teaches how to calculate Net Operating Income, evaluate a property's capitalisation rate, and analyse local demand before buying. His specialty is the US multifamily market — apartment buildings — which means much of the content requires conceptual adaptation before being applied to Spanish or Latin American markets. The book has the merit of treating the reader as an adult: it does not promise financial independence in six months, but explains the real operational work of managing properties. Its limitations are the dependence on the North American legal and tax context, the absence of examples from stressed or declining markets, and a tendency to idealise multifamily investment as a category. As a starting point for developing one's own analytical criteria, however, it is one of the most solid in the genre.

Key takeaways

• Net cash flow, not expected appreciation, should be the primary criterion for evaluating an investment property.
• The capitalisation rate (cap rate) and NOI (Net Operating Income) are the fundamental metrics for comparing properties objectively.
• Analysing local demand — demographics, employment, market absorption — before buying is as important as analysing the property itself.
• Operating management of a property requires systems and teams; those who do not want to manage it actively need to factor in that cost from the outset.

Fact

Ken McElroy is an adviser to Robert Kiyosaki and has managed real estate portfolios exceeding 700 million dollars in the US multifamily market.