This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order multiple copies, please contact Dow Jones Reprints at 1-800-843-0008 or visit www.djreprints.com. Costco Makes Changes to Its Famous Hot Dog Combo. It Could Be the Start of Something Big. - Barron's Skip to Main Content Reprints Costco's signature value meal hasn't changed since the1980s. Until now. (PATRICK T. FALLON/A ...