A special guest cut the ribbon at 7:30 a.m. Friday and people rolled in, led by whiskey enthusiasts who had been camping ...

Napa County’s first Costco opened Friday morning to a long line of excited customers. One of our Napa reporters, who had ...

If you're self-employed or don't have generous vision insurance coverage through work, Costco Optical can help you save money on out-of-pocket costs for eye care. (And my local Costco Optical ...

Costco is expanding the collection of precious metals it sells, with the addition of platinum. The big-box chain is now selling Swiss-made 1 oz. platinum bars for $1,089.99 on its website, but a ...

Costco is expanding its precious metals offerings, building on top of its rollout last year of gold bars, which often sold out within hours. The retailer is now adding 1-ounce platinum bars to its ...