I certainly have no idea how to predict if a programming project will stay small, but maybe people who do that kind of thing for a living have some idea? Also,

I certainly have no idea how to predict if a programming project will stay small, but maybe people who do that kind of thing for a living have some idea? Also, I'm skeptical about this scaling limit business, but if it's true, call the first program a prototype or proof of concept and then rewrite in a "scalable" language when necessary. "Plan to throw one away, you will anyway."