You can even purchase gold at Costco and other big retailers — but should you? Find out how to add gold to your portfolio ...

Costco offers members an opportunity to purchase one-ounce gold bars in the store, online or via their app. The retailer offers gold bullion bars, 1-ounce bars and coins in different designs.

Costco’s chairman reveals the luxury items flying off shelves, from Dom Perignon to gold bars, Rolex watches, and more.

Last year, Wells Fargo estimated that Costco was selling between $100 million to $200 million worth of 1-ounce, 24-karat gold bars a month. James said Costco is more interested in providing a good ...

Though it's better known for bulk deals for budget-savvy members, Costco also sells more expensive items geared toward wealthier buyers.

Discover how Costco (COST) continues its strong market momentum with record sales, membership growth, and innovative ...