[sauere]

I think the conclusions drawn in this post are outdated.

The german real estate market was undervalued for a very long time. In the last 10 years there has been a very rapid (100%+) rent increase in the cities and a massive property rush from foreign investors in the in major cities (especially Berlin). Another factor to consider: seeing that 1.5million+ "refugees" came to Germany in 2015 alone, these increases will become even sharper over the next few years.