 Costco Gold Rush. This is the Inside Edition Inside Report. Along with jumbo packs of paper towels and giant piles of pants, the superstore Costco actually sells one-ounce gold ingots. Now Wells Fargo is reporting that Costco is selling as much as $200 million worth of gold bars every month. Each bar costs around $2,300, and there's a limit of five per customer. One TikTok user showed off her one-ounce piece of gold.