Costco has added platinum to its precious metals offering, but experts caution that the coins and bars are not considered a ...
Costco is now selling platinum bars and coins online, catering to its members with 1-ounce options of 999.5 pure platinum.
The wholesale retailer on Wednesday announced it is selling 1-ounce platinum bars and platinum coins on its website.
If you shop at Costco enough, you can get your membership for free. Here's what it takes to breakeven at the warehouse club.