Quickly size up a self-storage deal using back-of-the-napkin math. Start with gross income, estimate expenses (30–40% if actuals aren’t available), then subtract to get your Net Operating Income (NOI). Divide the NOI by your target cap rate to estimate value. This fast method helps self-storage investors make smarter decisions on the fly without needing a full spreadsheet—perfect for first looks and quick deal screening.

New to self-storage investing? This beginner’s guide breaks down the full underwriting process—from gathering data and analyzing rent rolls to estimating expenses and projecting equity growth. Learn how to assess deals using real numbers, avoid common mistakes, and build long-term wealth through smart, simple underwriting. Perfect for everyday investors using their own capital—no syndication required.