 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.