Create a scaleable enterprise that fills an unmet need that is regional or even national in scope.
The hard part is breaking out of thinking in terms of the ways things are now and freeing yourself to think of how things could be.
Steve Jobs had that ability and brought us products no one knew we needed until Steve showed us we could have them.
Since you shared your age I'll go ahead and say that I can't think of a better age to be in order to take on that challenge.
Your opportunities are limited only by your willingness to pursue them!