1. Caviar: Caviar is an expensive dish in some high-end restaurants, but it can be bought relatively cheaply in some ordinary supermarkets. But cheap caviar is usually of low quality, which may affect the taste and health.
2. Live shrimp: The price of live shrimp in some seafood markets is relatively low, but if you don't know how to choose fresh shrimp, it is easy to buy stale shrimp, leading to food poisoning and other problems.
3. Fruits and vegetables: In some seasons, the prices of fruits and vegetables will be very cheap, but these cheap fruits and vegetables may be imported from illegal channels or areas with serious pesticide residues, which may have potential risks to health.
4. crayfish. Crayfish is a very popular food in summer, and its price is relatively low, but if you don't pay attention to cleaning and cooking, you may be at risk of food poisoning.
5. Meat: Some cheap meat may contain additives such as hormones or antibiotics, which may pose potential risks to health.
To sum up, although some foods seem cheap, if we don't pay attention to quality and hygiene, it may bring food safety problems and even pose potential risks to our health.