Costco's Hot-Dog-and-Soda Combo Has Withstood Inflation. Now, Its Biggest Rival Is Offering the Deal for Even Cheaper. One Costco competitor is now offering a hot-dog-and-soda combo that’s just $1.38. Previous Article 3 Stocks to Buy Before the Holiday Season Next Article Mariah Carey Isn't the 'Queen of Christmas,' According to the U.S. Patent and Trademark Office. Here's Who Else Is Coming for the Crown.