> Value of materials depreciate A house has a lot of raw material, most/all of which is getting more expensive. Even if labor were free (if you do all yourself

> Value of materials depreciate A house has a lot of raw material, most/all of which is getting more expensive. Even if labor were free (if you do all yourself) and the land is in a location that has not appreciated at all in a decade, building a new identical house still takes a lot more money than 10 years ago, just on materials alone.