Garrett popcorn receives widespread positive feedback for its tasty and fresh offerings, especially the caramel and Chicago mix varieties. Customers appreciate the friendly and helpful staff, with some mentioning the high prices and occasional service issues. The popcorn is considered a good treat or gift, often accompanied by praise for its crispy texture and flavor. Some complaints arise from staff rudeness and slow service, but overall impressions remain favorable, highlighting the popcorn's quality and the overall shopping experience at the airport or store.