Updated: Sep 21, 2018
Now when we are trying to really start making movies, it's time fo find some resources how to do it with a $0 budget.
So far I found those:
https://nofilmschool.com/Not sure how good or bad they are, but at least they are trying to explain something and do not ask to pay.
And reddit of course! I am trying to recover my username to figure out which community was that.