It depends on the time schedule and cooking ability of office workers. If office workers have enough time and ability to cook by themselves, then it is recommended to cook by themselves, which is both economical and healthy. If office workers don't have enough time and ability to cook by themselves, it is suggested to order takeout, which can save time and be more convenient. 1. Buy preferential raw materials: Try to buy preferential raw materials, such as large packaged ingredients, which can save the purchase cost. In addition, you can try to go to the local farmers' market or vegetable market, where the price of ingredients is lower than that of supermarkets and the freshness is higher.

2. Make the best use of raw materials: Make the best use of raw materials, such as making soup with the remaining vegetables, which can save the cost of raw materials. In addition, you can try to use some leftover ingredients, such as making leftover vegetables into salads, making leftover noodles into noodle soup, and making leftover eggs into scrambled eggs. , can save the cost of raw materials.

3. Try to use kitchen utensils: Try to use kitchen utensils, such as using a pot for many times, which can save the cost of kitchen utensils. In addition, you can try to use some multifunctional kitchen utensils, such as multifunctional rice cookers, which can be used for cooking, cooking soup, cooking and barbecue, saving the cost of kitchen utensils.

4. Try to use energy: Try to use energy, such as rice cookers, to save energy costs. In addition, you can try to use some energy-saving kitchen utensils, such as energy-saving stoves and energy-saving ovens, which can save energy costs.

In short, cooking by yourself can save costs, but we should also pay attention to saving raw materials, kitchen utensils and energy, so as to really reduce costs.