all one need is 2 of 140/150 sq m of them and one is a millionaire in USD
Again that math is off. How many of those houses in Warsaw are under mortgage? How many of those are parental properties divisible amongst siblings if sold? how many are owned by a single large company or business owner? How many of those houses are co-owned and don't have a single owner? Once you get all the numbers then you'll realize that the reality is very different from imagination.