Costco is now selling platinum bars and coins online, catering to its members with 1-ounce options of 999.5 pure platinum.
Platinum is a precious metal that's not just rare but also highly valued across the globe. It's known for its striking silver-white color and remarkable resistance to corrosion, making it a popular ...
(CNN) - Costco is now selling platinum bars for more than $1,000. The Swiss-made, one-ounce bars retail for $1,090 on the big box chain’s website. A Costco membership is required.