On Two Island talk to the shopkeeper if you have progressed through the game enough he will sell timerballs as well as other items like repeatballs and lava cookies.
yes
in rustboro city
Only if you trade a Pokemon and the Pokemon you obtained is holding it, but I don't know if that is possible.
in Rustboro City. finish the Pokemon League first ok?
In Pokemon firered you can't, but in Pokemon leafgreen you can get it then trade it to Pokemon firered.
There is no Pokemon convention in firered.
To get Pokemon firered on PC download a vba and Pokemon firered ROM
Yes there are shiny Pokemon in firered
You cannot get it in Pokemon FireRed. It doesn't matter because it is not necessary in Pokemon FireRed.
It is not possible to get a ninth badge in Pokemon FireRed. You can only get eight badges in Pokemon FireRed.
Pokeballs, greatballs, ultraballs, masterballs, timerballs, repeatballs, nestballs, netballs, luxuryballs, and you can also have from ruby/sapphire/emerald premier balls and dive balls but the dive balls will not work in firered and leafgreen because you can't go underwater.
Celebi cannot be found in Pokemon FireRed. The only way to get Celebi in Pokemon FireRed is receiving it from an event distribution. These events are sadly no longer supported for Pokemon FireRed.