If you can tell a story in two minutes, do it. It is a scene or a few scenes that introduce a character, a problem and a solution.
Where are we on page ten? Think about your theme. Reverse budgeting. You would essentially take a person out of their normal environment and put them in a radically different one. Just on a smaller scale.
And if you have a story-generating idea that you like to use, keep doing that! Confinement stories. He made a list of all the stuff he could get cheap, the actors he knew and the locations he could get for free and then he cooked up the story based on the fact that his actor had a dog and could play the guitar.
Make sure you write them down. Flip It! Brainstorm Sesh! Think about your experiences.