You can buy them in firered then trade them to emerald.
Buy the TM Dig or catch any Pokemon that already knows it. A common one is Diglett.
Dig is a TM, and you can teach it to most ground types.
yes. but you have to use the TM dig
In Pokémon Emerald version you do not buy the TM dig. Instead you get it by talking to the Fossil Maniac.
the fossil maniacs brother
U get it from the fossil maniac
Yes, Linoone is able to learn Dig by TM.
In Pokemon emerald go to the fosil maniak and talk to the kid.
Proboly yes
no you can not get a secend TM dig
no you do not just the Pokemon relicanth and wailord.