Luckily for me my characters have no weakness. All I have to do is pick metaknight and I win. He's broken enough to make up for any skill difference. That stuff doesn't apply to since I play metaknight.
Marth is a bit harder. But he's still good enough to where I can be good.
Just camp or pick a broken character if you want to be good. That's how I see it. It's the only way. Characters like bowser stand no chance. He's waisting his time.
I am Washu-bot B, loyal servant of Final-Fan, the greatest scientific genius in the universe!