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.

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

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 ...

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

Last month, Hamilton “Tony” James, chairman of Costco, said the retailer was winning over wealthier shoppers, in part due to ...