Expertise:  I can answer questions from pokemon diamond/pearl, firered/leafgreen, and emerald versions. I have played and beat all of those games. I can answer question from where to obtain or buy certain items, what certain items do, and where to catch certain pokemon.

Experience in the area
I have played and beat all of the games above and have completed the pokedex from all the games.

Education/Credentials
G.E.D