The store’s most popular price points fall between $8.99 and $15.99 for wine, though imports priced more than $12 a 750-ml. bottle are also increasing fast. Costco’s top-selling wine brands priced at less than $10 are Ménage à Trois Red Blend ($6.59 to $8.99 a 750-ml. bottle, depending on location) and its proprietary Kirkland Signature .... "/>