I think this really wasn't profitable until Gold came out. Before, most asteroids had resources similar to planets. Now, I've seen values approaching 300%. That's
really profitable when you convert it into a huge breathable planet and fill it with Monolith IIIs.

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The Unpronounceable Krsqk
"Well, sir, at the moment my left processor doesn't know what my right is doing." -
Freefall