Gold's surge above $3,500/oz at Costco attracted new buyers and savvy investors who used credit card perks to earn cash back ...

The 1-ounce platinum bars are available online now to members. This isn't the first time the store has sold precious metals.

Among the Money Metals silver bars are weights including 1 ounce, 5 ounces, 10 ounces, 1 kilo (1 kilogram), and 100 ounces. Money Metals' branded silver bullion bars are perfect for silver ...