The food is shown to be pretty inexpensive (https://www.zippia.com/advice/bobs-burger-estimated-revenue/#:~:text=It's%20always%20priced%20at%20%245.95,visit%20Bob's%20Burgers%20each%20month%3F), especially for the area the show is set (https://www.distractify.com/p/where-does-bobs-burgers-take-place), Bob (https://en.wikipedia.org/wiki/Bob_Belcher) is known as a chef who who cares about using the highest quality ingredients (https://www.polygon.com/entertainment/23124093/bobs-burgers-of-the-day-best-recipes), and the restaurant (https://bobs-burgers.fandom.com/wiki/Bob%27s_Burgers_(restaurant)) always looks good.