Most aspiring screenwriters simply don't spend enough time choosing their concept. It's by far the most common mistake I see in spec scripts. The writer has lost the race right from the gate. Months - sometimes years - are lost trying to elevate a film idea that by its nature probably had no hope of ever becoming a movie.
Terry RossioSelf-esteem is the prize awarded by you to you for playing by your own rules - in which case, you'd think it would be easier to come by.
Terry Rossio