INSIGHTS
Plain-English notes on home values and property data.
Guides on valuation, data sources and building proptech, written for people who make the decisions.
ALL ARTICLES
Field notes.
Valuation 101 · 6 min · Oct 2, 2026
What is an AVM? Explained in plain English
An automated valuation model estimates what a home is worth from data. Here's how it works, and where it stops.
Read the articleValuation 101 · 5 min
AVM vs appraisal vs CMA: which number should you trust?
Three ways to value a home, three different jobs. A simple guide to choosing the right one.
Valuation 101 · 7 min
How accurate are home value estimates?
Median error, hit rates and confidence scores, explained without the jargon.
Data Guides · 8 min
Real estate data sources compared
Listings, public records and licensed feeds: what each source is good for, and what to watch out for.
Investor Playbook · 6 min
6 data signals that predict a motivated seller
The patterns in listing and ownership data that show an owner may be ready to sell.
Proptech Builds · 9 min
From spreadsheet to proptech SaaS in 12 weeks
A practical checklist for founders turning property data into a product people pay for.