First you need 30 kinds of Pokemon then go down way to diglet cave and you will see some trainers past them on the way is a building go inside and up the stairs and talk to the aide and you get item finder
nope
you cant
You can find leftovers where snorlax is. Use the item finder at this spot and you will find the leftovers. You cant use the item finder near it you have to beon top of the spot. It will then say "there is an item under foot" and there it will be.
you go to where mr fugi was standing in the bell tower and use the item finder.
The item finder in Pokémon FireRed is located in Vermillion city past Diglett's cave. Once past the cave go into the building and up the stairs. You will be given the item finder if you have 30 different Pokémon's.
Go to Navel rock,battle Ho-oh and use the item finder on the spot where he was to get sacred ash.
in a cave
That item does not exist in firered.
your rival gives it to you
That item doesn't exist in firered.
first you have to catch 30 Pokemon for your pokedex. then go right of fuchsia city and go into the tunnel thing and go upstairs. an aide will be waiting for you and if you talk to him he will give you the itemfinder.
beat elite four 5 times. go to victory road. fight all trainers and at least one of every pokemon. go to the 2 floor and use item finder. the first item should be gligar or you can use another source.