“… When you get to a certain point in your writing, you’ll get requests to work on spec. It is just a natural part of your development as a screenwriter.
“Your writing has become good enough that some small producers want to work with you. Very likely, they’ll want you to work on spec. (no money up front) with some kind of deferred payment if and only if the movie gets made.
“Is that a good deal or a bad deal?…”