The Pokemon Battle Academy can be worth the investment for aspiring trainers who are looking to improve their skills and knowledge of the game. It provides a structured learning environment and can help players develop strategies and tactics to become better trainers. However, it may not be necessary for experienced players who already have a strong understanding of the game. Ultimately, the decision to invest in the Pokemon Battle Academy depends on the individual's goals and level of experience in the game.
You can't steal Pokemon however in Pokemon colosseum and Pokemon xd gale of darkness you can snag shadow Pokemon from trainers.
to get data on Pokemon in your pokedex, capture the Pokemon unless they are trainers Pokemon then you have to cheat to get trainers Pokemon.
No trainers will have articuno.
Pokemon and pokeballs
No
you need two batteries double a batteries at the side of your game boy colour then trow a pokemon ball at the trainers pokemon
trainers don't hold them get a Pokemon that has the ability pick up like meowth or zigagooon
yes grass type trainers do
yes
Unfortunately there is not.
you dont
you can't