Why do professional appraisers often discount Zillow data, and what valuation metrics do they rely on that algorithms miss?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Why do professional appraisers often discount Zillow data, and what valuation metrics do they rely on that algorithms miss?
1 real search · 1 real-search pass
Zillow Zestimate accuracy limitations official Zestimate methodology appraisal comparable sales Fannie Mae appraisal comparable selection adjustmentsGoogle ↗
OBSERVEDComparison
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
Zillow Zestimate accuracy limitations official Zestimate methodology appraisal comparable sales Fannie Mae appraisal comparable selection adjustments Google ↗
- Comparable Sales · guide-selling.fanniemae.com
- Adjustments to Comparable Sales · guide-selling.fanniemae.com
- Sales Comparison Approach Section of the Appraisal Report · selling-guide.fanniemae.com
- How Accurate Is My Zestimate, and Can I Influence It? · zillow.com
- Why did I receive different valuations during the mortgage loan application process? · consumerfinance.gov