Trust me, absolutely nothing.
by hacking
Making a copy of a Pokemon by hacking or glitches.
try swamperttools.webs.com its a pretty good place for all generations of Pokemon ROM hacking tools
By hacking or trading
no!
By hacking
by hacking
without hacking, 100 with hacking, 999 and then reset to 0 and no more exp gain.
You can't, even with hacking.
Yes. With action replay or hacking. (Hacking is bad for your game. You might even have to start your game all over).
No, unless if you are hacking the game.
you can only get it by hacking the game