Costco sells gold bars, silver coins, and platinum bars. Find out what these precious metals cost, how you can buy them, and what to know before investing.

The platinum bar features Lady Fortuna ... This year, Costco started selling silver coins for the first time, at a price of $675. The move is more about marketing than sales for Costco.

DESPITE the euphoria surrounding gold this year, it’s not the best-performing precious metal. That distinction belongs to the ...