theres no limit to what you can do as long as you have the skills for the job. however youll have problems attracting a promotor, and when your there getting a decent opponent worth some money to fight. amatuers is not only a method of gaining expereince and the fighting style, but also the crowd, the way of fighting and some recognition.

boxing is about money for the people at the top. if you cant make it for them, whats the point in them putting you on