Realy Blog
Insights for smarter real estate decisions
Guides, frameworks, and practical ideas to help you analyze Zillow deals faster and build a more efficient investing workflow with Realy.

10 Red Flags on Zillow Listings That Kill Cash Flow
Warning signs on Zillow investment listings—bad rent estimates, tax traps, HOA issues, and inflated cap rates—and how to catch them with Realy before you make an offer.

Best Chrome Extensions for Analyzing Zillow Investment Properties
A practical comparison of Chrome extensions that add rental metrics to Zillow—including cap rate, cash flow, and deal screening—and where Realy fits for serious investors.

Cap Rate vs Cash-on-Cash Return: Which Matters More?
Cap rate and cash-on-cash measure different things. Learn when each metric wins, how Realy calculates both on Zillow, and which to prioritize for your investing strategy.

Cash-on-Cash Return Formula (With Examples)
The exact cash-on-cash formula Realy uses on Zillow listings—annual cash flow divided by total cash invested—with step-by-step examples for financed rental deals.

Does Zillow Show Cap Rate? (And What to Use Instead)
Zillow does not display cap rate or cash-on-cash on listings. Here is what Zillow does show, what investors need instead, and how Realy adds rental metrics on every page.

First Rental Property: Zillow + Underwriting Checklist
Complete first rental property checklist—Zillow search, Realy metrics, financing assumptions, due diligence, and offer readiness for new investors.

House Hacking on Zillow: How to Underwrite Your First Deal
House hacking math on Zillow—live-in vs. rent units, FHA-friendly assumptions, and how to analyze your first owner-occupied rental with Realy before you make an offer.

How to Calculate NOI on a Rental Property
Step-by-step net operating income (NOI) calculation for rental properties—the foundation of cap rate, cash flow, and DSCR—with the exact expense lines Realy uses on Zillow.

How to Find Cash-Flowing Rentals on Zillow (Step-by-Step)
A repeatable workflow to find cash-flowing rental properties on Zillow—filters, metrics, assumption settings, and how Realy ranks listings by cash-on-cash in minutes.

Out-of-State Investing: How to Screen Zillow Listings Remotely
Screen rental properties in markets you don't live in using Zillow and Realy—assumption discipline, remote due diligence, and a workflow for out-of-state investors.

Realy vs Spreadsheet: Zillow Deal Analysis Workflow
Copy-paste Zillow into Excel vs. instant metrics with Realy—side-by-side workflow comparison, time savings, and when each approach still makes sense.

Rent-to-Price Ratio: How Investors Use It on Zillow
Rent-to-price ratio (and rent per square foot) explained—how Realy calculates it on Zillow listings and how investors use it to spot cash-flow opportunities fast.

Tax Assessed Value vs List Price: What Investors Miss in Texas
Why Texas tax assessed value often differs from Zillow list price, how it affects property tax modeling in Realy, and what investors should verify before underwriting.

Turnkey Rental Analysis: What to Check Before You Buy
Turnkey rental due diligence on Zillow—what turnkey really means, metrics to verify, expense assumptions, and a pre-offer checklist with Realy underwriting.

Value-Add Rental Analysis on Zillow (Without Leaving the Listing)
Underwrite value-add and BRRRR deals on Zillow—model rehab costs, after-repair rent, and stabilized returns in Realy without switching to a spreadsheet.

What Is a Good Cap Rate for Rental Property?
Cap rate benchmarks by market and strategy, how Realy calculates NOI ÷ purchase price on Zillow listings, and when a high or low cap rate is actually a good deal.

What Is a Good Cash-on-Cash Return in 2026?
Realistic cash-on-cash benchmarks for rental investors in 2026—how rates, insurance, and market type affect targets, and how to measure CoC on Zillow with Realy.

When a High Cap Rate Is a Trap (Insurance, HOA, Vacancy)
Why unusually high cap rates on Zillow often mislead investors—hidden expenses, optimistic rent, and how to stress-test deals in Realy before you buy.

Zillow Rental Calculators Compared (BiggerPockets, Doorhack, Realy, and More)
Compare Zillow rental analysis tools—web calculators, Chrome extensions, and Realy—on metrics, assumptions, bulk screening, and which fits your investing workflow.

How the Realy Chrome Extension Works: A Step-by-Step Zillow Guide
From Zillow search to full analytics—learn how to open the Realy analyzer, customize assumptions, explore listings on the map and table, and sync your numbers across the extension and Realy app.

Top 10 Dallas Zillow Investment Listings Ranked by Cash-on-Cash Return
Ten Dallas-area rental listings from Zillow ranked by cash-on-cash return—plus the exact Realy assumptions behind each metric and what advanced investors should verify before making an offer.

Top 10 Zillow Investment Listings: How Realy Ranks Deals Instantly
Learn what separates a great Zillow rental listing from a money pit—and how cap rate, cash-on-cash return, and cash flow are calculated on every property you browse.

BRRRR on Zillow: How to Analyze Value-Add Deals Without Leaving the Listing
A practical framework for finding, underwriting, and comparing BRRRR properties on Zillow using Realy's instant cap rate and cash-on-cash calculations.