I think the original Miner Pirate (along with a very Lusty Densien of the forum) would know all about stealing ore and its legitimacy.:P
[8:32:45 PM] Dusty Lens: Oh no, let me get that. Hello? Oh it's my grandma. She says to be roleplay.
[12:49:19 AM] Elgatodiablo: You know its nice that you have all that proof and all, Bacon... but I just don't believe you.
Welcome to the market, boy. To be honest I don't approve such behaviour but it's perfectly legal and that's good RP. He is a true merchant. And you have few solutions:
1. Raise the prices yourself.
2. Talk to him and make a deal to lower prices for making more profit.
3. Don't play with your powertrader when he dominates the market.