When it comes to food, dining out is much more expensive, even for one person, than cooking meals at home. Grocery shopping, cooking, and doing dishes may all be a hassle, but getting out of those chores is not worth the price. Considering most fast food meals for a family of three are anywhere from $15 to $20 each, it's definitely worth it to plan a grocery list and prepare meals at home. Frugal shoppers can prepare meals for as low as a dollar per person, per meal, meaning a family of 3 can eat breakfast, lunch, and dinner at home for 7 days on around $63 per week--what some people would spend in a day or two when eating out. Obviously, food prices will vary on location, making groceries higher in some places than others, but where groceries are higher, so are dining out costs.