Will iBuyers like Opendoor face a sudden backswing?

Not a lot of sellers will play, and worse: housing markets can plod along in predictable fashion for years and then... stop.

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The newest technology-based companies trying to reinvent the housing-brokerage business are the iBuyers. All are trying to simplify the process of selling one home and buying another. All rely on faith among technologists that algorithms are clairvoyant, and among the public that anything on your phone is a good thing.