(changing the subject, to avoid repeating it (thanks Jon ;-))
> difficulties to make a living based on PL - then what about me, a
> struggling beginner?
Please don't worry too much, just try it! There are ups and downs. I
also had quite a lot of good years.
The thing is that this business has sides: A technical and a commercial
one. And I'm not good (read: not really interested) in the second.