Eating out is more expensive than eating in. At least, that has been the assumption. One study states that this assumption is very wrong, however. The comparison of
Eating out vs. cooking in shows not only its cost but also the quantity of food you can eat. You can enjoy your food as well as save money when you cook your own food because eating out costs more for the same things - buying and cooking some ground beef being generally cheaper than buying a hamburger in a restaurant.