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

But the wholesale chain's focus on value appeals to more ... $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 ...

If you're trying to decide between these two precious metal assets, experts say one choice is the clear winner.

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

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.