and if they don't want it, then who cares. move on.
and if they do, you better give them a $1000-level rendering and blow them away.
the choice you must make is "can i really pull this off?"
if you doubt it, then you will not do anything at all. and you will be a dreamer and a wanna-be and go nowhere.
you will end up doing graphic design for a local dairy company or something. or waiting tables or becoming an alcoholic.