When it comes to making money, we should consider a convenient problem, that is, saving time, because some materials cannot be bought directly;

For example, bear's paw, and some fish needed for dishes can only be obtained by fishing, so these are not considered;

Is to choose the most convenient materials that can be purchased directly and then make money, and then according to the screening, only the following five dishes meet:

Stir-fried dishes, Sichuan-style pork, crucian bean curd soup, fried eggs with leeks, and hot and sour potato shreds, and then go to the pawnshop in Luoyang to sell them directly (15,21), and you can make money.