But ALL houses have not increased in price, only the ones that were offered up for sale. So, niche salary gains and niche housing price spikes. If all the house

But ALL houses have not increased in price, only the ones that were offered up for sale. So, niche salary gains and niche housing price spikes. If all the houses came for sale on the same day, I guarantee the prices would not remain this high, but that's not how it works.