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I don't even have to listen to it to answer your question.
Who gives a shit if you don't have potential? Being good at anything has nothing to do with potential. If you like remixing and making beats, than who's going to stop you. The fact that you like it means that you should keep practicing and spending time working at it - that will make you good. Keep making mixes, post em up, get some feedback, and improve.
Now I don't know if your question was serious or not, I just thought I'd reinforce that idea.
I second the Jay-Z bit. He seems overly remixed, for example
http://jaydiohead.com/ (it is very good)
Keep up the good work