What routines should I avoid when buying goods on idle fish?

To buy goods on idle fish, you need to avoid the following routines:

-High-priced products are sold at low prices, which induces private transactions and does not follow the idle fish trading process.

-the seller will change, and the buyer will change.

-The seller will exaggerate or conceal the real situation of the goods in the description of the goods.

-Sellers will use false pictures in product descriptions.

-Sellers will use false price labels in product descriptions.