Why are you quitting? Don't quit something you love playing, man.
****, atleast you have locals in your area. Plus you are winning them and probably getting noticed. In my area, it's freakin STALE. No one plays smash . But should I quit? No. It's because I know other smashers who are close by my area and they are good.
I agree with Aiko above me for what he said about hitting a wall. If you're feeling down, just take a break, man. Sometimes smash gets the most of us and we hate thinking about it. I been thinking about smash and its scene around my parts and how it was question why I still play it competitively. And you know what? I can't quit playing competitvely. Although looking for matches and practice can be a *****, just think about what will happen when you finally get to play; goin to ****in tourneys, meetin some kool peeps, and traveling. If you quit, then you will probably be bored (If you aren't doing stuff other than smash.). If you quit, you'll miss some neat experience.