Yeah, apartments is one part of it all. I'm trying to find a place in a kindergarten and it's hell. In Berlin kindergartens are free for some time and there are no free places. My wife today tried to find a place in a private kindergarten, no luck even in one for 800 EUR/month.
If we knew German language and customs better maybe it would be easier. But then I would probably just think about creating our own.
We're getting desperate. If anyone knows about a place in a kita in Berlin for a 2 year old, please let me know! Private or whatever, or some kind of coop.