If you believe its going to be worth more in the future you should Buy NOW.
Otherwise wait until it goes up in price.
Otherwise wait until it goes up in price.
it is a remarkable thing, folks tend to make their buy orders after a drop, in my opinion, you should always buy; on the way down.
commodities aren't really designed for lunch-box joes. if you are trading stocks, you should always think that it's a long term investment, and DON'T SPEND ANY MORE THAN YOU CAN AFFORD TO LOSE.