The article explains why automated estimates vary and how local market knowledge improves the accuracy of home value estimates. MELBOURNE, Fla., May 11, 2026 /PRNewswire/ -- Why do online home valuations give homeowners numbers that change so often? According to a HelloNation article, the answer comes from how these tools gather information and how much local detail they miss. In the piece, linked here as a HelloNation article, Real Estate Exper…