CNN By Erika Tulfo, CNN (CNN) — Americans binged on grills during the pandemic, but the barbecue industry now faces a number of threats, including high meat prices and interest rates on top of economic uncertainty. Many feel no need to upgrade fairly recent purchases. Market leaders like higher-end grill manufacturer Traeger, once a pandemic darling, reported its latest quarter’s grill sales were $76.8 million — a plunge from the $156.1 million …