In the follwing filmmaking video, Roger Corman talks about Independent Filmmaking. For those of you who do not know, Rodger was one of the first truly independent, low budget filmmakers. He never waited for everything to be perfect. His simply went out and produced movies.
If you are interested in getting more filmmaking tips from Roger Corman, I highly suggest you read his book: How I Made A Hundred Movies In Hollywood And Never Lost A Dime.