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we have this notion that appraisal methods are fairly static.

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And if you've worked in appraisal for 10, 20, even 30 years,

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you might have just used the same methods over and over again.

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But if we go back in history long enough,

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we realize that appraisal methods are not static,

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and in fact, they have evolved quite a bit.

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One of the reasons the methods have evolved is because