Online valuation tools can't tell you why one side of the street sells for more...

https://realtytimes.com/consumeradvice/ask-the-expert/item/1054115-why-local-market-expertise-still-matters-in-the-digital-homebuying-era

Online valuation tools can't tell you why one side of the street sells for more than the other. Zestimates ignore nuanced details like shifting school district boundaries or upcoming infrastructure projects that shift neighborhood value overnight