Get a cheat device. In other words, you can't do it legally
You don't. Its not possible
Defeat all gym leaders in jounto and kanto then deafeat red and you can get another starter pokemon
You can't, but if there is any other Pokemon you are looking for, check serebii.net, that's what I always use.
You can't find rayquaza in pokemon platinum.
You cannot possibly get all three. Only one without a hack.
U cannot get more than one starter without trading kyogre239
there is no other way unless you either trade or go to the global trading center in jubilife
You cannot get all 3 Starter Pokemon in Pokemon Emerald without trading for the other 2.
You cant without action replay
That's impossible.
You don't. Its not possible
You can't unless you picked it as starter pokemon.
its simply not possible
It is impossible to get all three starter Pokemon in one game without trading, unless you are willing to use an Action Replay.
There is no other way.
Not without trading from another game.
With ans AR