Whole $ does not need to be "expensive", just the action of experiencing significant rent increases consecutively creates a psychological feeling of "expensive", even though the whole $ may be actually cheap in market whole $ sense. 

One if you can get the lots for really cheap somehow.   

Some will be expensive ,some will be cheap .   

Now I help my out-of-state clients purchase flips and BRRRR deals here that hit the 1% rule, cash flowing, and have tons of appreciation at a very cheap price point -n $120k-$180k.

Simple, one page, cheap.  

It's fairly cheap to do this, and where I live a one page form you fill out with your County Clerk's office.  

Renting for cheap is great, you probably saved a lot money, but you're not moving the needle towards starting a business.

It’s not cheap so if you’re looking for that go learn the hard way like I did.

Have you asked yourself WHY are the properties so cheap?

Doesn't Germany suffer some economical problems as well and would it be cheap to do it now?