What are 2 disadvantages of buffet service?

Slower process: Buffets can lead to lines, which slows down the entire event timeline. ...
Risk of cold food: The larger the event, the more you risk the food getting cold. ...
Food waste: Most buffets end up with leftover food.

Why is buffet so cheap?

“Buffets have always been a landing spot for food scraps,” says Chef Britt. “They call them the 'trickle-down specials' — day-old vegetables or beef trimmings can be repurposed into a soup or a hash.” Buffets are also able to save money by utilizing economies of scale and buying food in bulk.