Precious metals buyer cashes in on Costco’s gold bar rush: ‘I consider this savings’ Fox BusinessGold Bar Sales Are Surging at Costco. Why? The New York TimesCostco keeps selling out of gold bars. Experts warn rush is more ‘mob mentality’ than sound investment decision FortuneCostco gold sales increase interest in metal but doesn’t move market USA TODAYCostco’s $2000 gold bars are the new $1.50 hot dog Fast Company