Take note of the type of Pokemon they use and bring a strong Pokemon that has a type advantage. Eg: The hikers at Mt Coronet mainly use Rock types, bring a water type like Buziel or Psyduck.
beat the elite 4, become champ.
i'd suggest that you'd battle more trainers. If you beat they're Pokemon you'll get a little boost in the xp than wild Pokemon battle
use good Pokemon that's the only way
Use the VS Seeker near the Hot springs in one island. There are several trainers there.
use cheat codes
there is no way
For the EASY!!! PEASY!!! way simply use a water type pokemon For the "hard" way use a leaf pokemon For a random way use random pokemon. There you go all done
just train your Pokemon each to lvl 55 and you should have no trouble
Easy way to do this is to give it the item exp share then use your stronger Pokemon to defeat trainers your wingull soon will level up and evolve.
no not really if you beat the game you can only trade Pokemon with trainers beaten in the first colloseum, but you will still have the same amount. You can get all if you have an adapter to transport Pokemon from sp or ds that's the only way.
Honestly, just to train for awhile. I trained for a little bit and got my Pokemon up to around 50-55 and I finally beat him.
two trainers on the way to Pokemon mansion from pastoria have them.