Use the VS Seeker to your advantage and train wherever the Pokemon's trainers levels are the highest, before the E4 the best place is Island 1 (Approx 37 with some evolved Pokemon), since you cannot use the VS Seeker in Mountains.
probly at cerulean cave, it is a great place too if you want to catch high level Pokemon
it depends what level it is
if it is around level 45 go to seafoam isle
Every pokemon has a different type. For example u train electric type pokemon in water terrains.
www.top10maidservices.com/ This has a good rating of the maids that have a good record and you can hired then depending on the time that you need. This is very good.
mewtwos cave
Seven island at sevault canyon.
Keep fighting the Pokemon league or train in cerulian cave
The more you train your poke'mon, the more friendly they will become with you.
no it does not. the games for the ds will have it
You can't go to Johto in Pokemon FireRed or LeafGreen.
Train at victory road
Explore, catch pokemon, train your pokemon.
At an efficent Pokemon on Pokemon Fire Red
If you train your pokemon or use cheats you can be the best trainer.
train it to level 100!
Train a larvitar to level 35.
Train it to level 23.
Seven island at sevault canyon.
Catch a pidey and train it to level 36.
A good place would be 7 island.
Go to 7 Island, there are a whole lot of strong Pokemon there.
Keep fighting the Pokemon league or train in cerulian cave