In the market for raw metals? Glencore PLC’s sprawling copper mine in the Chilean desert will set you back only $1 billion. Assuming you don’t mind a bit more of a splurge, how about Anglo American PLC’s iron ore mine in Brazil, which cost the company $14 billion to buy and build in the late 2000s? And if you’re more of a coal person, a string of mines are on the block across Australia.