Pokémon Black Version Tips

Double Poke for Ores
In Icirrus City there is an Old Man in the PokeCenter that will pay Double what the PokeMart will pay for Ores.
Ex. He will buy Nuggets for 10k, where the Mart will only pay 5k.

Star Piece, Star Dust, Nugget, Pearl, Big Pearl, Damp Rock, Heat Rock, etc.