Another good piece of model advice is to know what kind of modeling you want to do specifically, like if you want to be a runway model, fashion magazine model, hand and feet model, and study it till you can perfect it. You will have already known everything about the type of modeling that you want to do and at that time you can really just focus on that type of modeling and becoming the best in it.
Your last good piece of model advice is have determination and stand out. The sizes of models change, the type of models needed change and you want to be able to still fill in these jobs even when it is not the type of modeling you want to do.