If you take 2 data points of MEDIAN Prices of a small amount of sales you will get wide variability. Median prices and small sample size suffers from a wide variability due to compositional changes that have nothing to do with the value of homes.
And you aren’t doing anything for your community, you clearly have your own agenda to talk down housing to the highest degree possible. You are a clown and the fact that you teach SCIENCE of all things is just sad. At least be an english major to have an excuse for your vivid imagination and hyperbole.