It looks like an easy skill up with low mat req. But monetarily youre almost always better off selling the silver, preferably in ore form to max out profit. But you can look at what youd make what it sells for and match that against what the silver itself sells for. The JC item never tends to win out. AH the silver buys tiger eye or shadow gems cheap or a 20 stack of copper ore.
You should try using a guide, but really once you get into the 200300 range its going to be all about what kind of mats you can get World of Warcraft Gold. You should powerlevel Mining before you started JC and have to say this saved you a lot of money while leveling. In total, you could spend about 300g while leveling JC. Just farm all your mats and it will not take anytime at there is also a tip for you guys about to level JC. You are going to need a ton of it.