Any genetic modifications would require an S1 laboratory in Germany, that is not something any private person could do. You would have to go to a university or company with an approved S1 laboratory to do such experiments.
That is less than you pay rent.
They really want people to do bio stuff.
Heating, electricity and some services are on top, but overall that is ridiculously cheap.
For comparison, that is about the price of a single room student flat.
I asked specifically what are they selling that is restricted or watched