The Economics of Owning a Duplex

You can buy a duplex with $12,000 down. Your tenant covers half your mortgage. So why do most first-time duplex owners lose money in year one? This is the real economics of owning a duplex. Most people assume a duplex is just a house with bonus rent coming in. The truth is it's a small operating business — with two tenants, two sets of appliances, two sets of everything that can break, and one owner responsible for all of it. The gross rent looks great on paper. Then the expenses arrive. We break down the FHA loan trick that cuts your cash requirement from $70,000 to $12,250, the deferred-maintenance time bomb hiding inside cheap Midwest duplexes, Brandon Turner's $95,000 duplex that launched a 100-unit portfolio, and the exact math on two real scenarios — house-hacker vs. full investor — showing what you actually walk away with after five years. Spoiler: one of them turns $12,250 into $92,000. Have you ever considered house-hacking — living in one unit while your tenant pays your mortgage? Would you do it? If you enjoyed this, hit like and subscribe for more on the economics behind everything. 📑 VIDEO CHAPTERS 0:00 Intro 2:47 The real cost 6:42 How the money flows 11:29 Hidden costs 16:06 Real operators 18:53 How people lose 25:59 The profit math --- SOURCES --- ▸ National median duplex price (~$350,000 in 2023): National Association of Realtors, 2023 ▸ FHA loan 3.5% down payment eligibility for owner-occupied 1–4 unit properties: U.S. Department of Housing and Urban Development (HUD), FHA Single Family Housing Policy Handbook, 2023 ▸ National rental vacancy rate (~6% in 2023): U.S. Census Bureau, Housing Vacancies and Homeownership Survey, 2023 ▸ National average two-bedroom rent ($1,400–$1,600/month in 2024): Zillow Rental Market Report and Apartments.com, 2024 ▸ National average rent growth (~4–5% annually, 2018–2023): Zillow Research, Rental Market Reports, 2018–2023 ▸ Short-term rental gross revenue estimates by market: AirDNA Market Reports (Asheville NC, Bozeman MT), 2023 ▸ ADU construction cost ranges ($80,000–$150,000): National Association of Home Builders, 2022–2023 ▸ Primary residence capital gains exclusion ($250K/$500K): Internal Revenue Code Section 121, IRS Publication 523, 2023 ▸ Conventional investment property loan down payment requirement (20–25%): Fannie Mae Selling Guide, 2023 #duplex #realestateinvesting #househacking #rentalincome #financialfreedom