The RentHack Blog

House hacking,
demystified.

Guides, deal breakdowns, and plain-English explainers for first-time multifamily buyers.

✍️

Content coming soon

We're putting together practical guides for house hackers — no fluff, no Wall Street jargon. Just real numbers and real advice.

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Topics we're working on

Beginner Guide

How to Analyze a Duplex: A Step-by-Step Walkthrough

We'll walk through a real deal from asking price to annual return — using RentHack's exact inputs.

🕐 Coming soon
Deal Analysis

What Is Break-Even Vacancy and Why It Matters More Than Cap Rate

Most investors obsess over cap rate. House hackers should be obsessing over break-even vacancy instead.

🕐 Coming soon
House Hacking

The Effective Mortgage: The Only Number That Matters for House Hackers

Your effective mortgage is what you actually pay to live in your building after tenants cover their share.

🕐 Coming soon
Financing

FHA vs Conventional for a 3.5% Down Duplex Purchase

Owner-occupant loans have serious advantages for house hackers. Here's how to compare them.

🕐 Coming soon
Market Trends

Best Cities for House Hacking in 2026: Where the Numbers Actually Work

We ran the numbers on 50 metros. Here are the markets where rents cover a meaningful share of the mortgage.

🕐 Coming soon
Deal Analysis

Red Flags in a Multifamily Deal (and How to Spot Them Before You Offer)

From unrealistic rent assumptions to suspiciously low expense estimates — what to watch out for.

🕐 Coming soon