Deal Analysis & Real Estate Metrics
NOI, cap rate, cash-on-cash return, the 1% and 50% rules, CapEx budgeting, and how to read rent rolls and T-12 statements before you buy.
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Guides & Articles (5)
How to Calculate Net Operating Income (NOI) for Small Residential Rentals
The complete NOI formula for duplexes, triplexes, and fourplexes: gross scheduled income, vacancy, operating expenses, and what never belongs in NOI.
Jan 23, 2026
8 min read
Cap Rate vs. Cash-on-Cash Return: When to Use Each Valuation Metric
Cap rate and cash-on-cash return answer different questions. Learn the formulas, worked examples, and exactly when each metric should drive your 2-4 unit decisions.
Jan 27, 2026
7 min read
The 50% Rule and 1% Rule in Multi-Family Real Estate: Limits and Practical Application
How the 1% and 50% rules work, where they come from, worked duplex examples, and the exact situations where these rules of thumb fail small multifamily investors.
Jan 30, 2026
7 min read
How to Budget for Capital Expenditures (CapEx) in Pre-1980 Duplexes
CapEx reserve schedules for older 2-4 unit buildings: component lifespans, per-unit and percentage methods, and a worked $60,000 reserve plan for a century-old duplex.
Feb 2, 2026
8 min read
Reading a Rent Roll and T-12 Operating Statement Step-by-Step
How to audit a seller's rent roll and trailing-12 financials before buying a triplex or fourplex: red flags, verification steps, and the adjustments that reveal true NOI.
Feb 6, 2026
9 min read