Once you have 50 Pokemon recorded in your pokedex go east from fuchsia city and go in a big building go upstairs and talk to the scientist he will give you exp share.
one of Prof. Oak's aide's
call me at 870 949 1949
the top of that building, on Route 15.
With Exp.Share - you can get this from Prof.Oak's Aide by catching an amount of Pokémon.
After you catch 50 Pokemon, have Prof. Oak look at your pokedex. He will send an aid with the Exp. Share
well if you have a exp. share use it on weak Pokemon and on a x-tream strong Pokemon and get big levels
put it first then fight
yes, there is
Yes.
In Pokemon firered you can't, but in Pokemon leafgreen you can get it then trade it to Pokemon firered.
no, except you get one from your friend or use some gameshark code
There is no Pokemon convention in firered.