1. Identifying businesses with strong economic moats is crucial for long-term investment success; 2. Prologis, Digital Realty, and Realty Income are three 'wide moat' REITs with predictable profit streams and strong dividend histories; 3. Prologis and Digital Realty are recommended for their robust portfolios and growth potential, though Digital Realty is currently overvalued; 4. Realty Income offers the best value with a strong dividend yield and potential for significant returns, making it a Strong Buy.