Small vendors who set up stalls: all have elite vision and follow the principle of "choose more, run errands diligently, spend less money, buy fine products and buy less goods". Unless you encounter an extremely eye-catching commodity, just give a price. If the transaction fails, turn around and leave. The fish caught in the afternoon are sold in the street.
Buy gold and silver jewelry, antique jade, calligraphy and painting: This kind of vendors are more advanced, because there are few precious antique jade in Dong Xiao and many fakes, which urges them to know the color of the goods by experience, otherwise they will either miss the "good-looking" goods or "punch a hole".
"Bow your head to Zhai" to buy old shoes: Before the Republic of China was liberated, there were many old shoe stalls on the streets of Beijing, and people nicknamed them "Bow your head to Zhai" or "Pick". Because customers have to bend over to try on shoes, and sellers use bamboo poles to pick them when they can't reach them in the distance, they have these two nicknames. "Bow down" to buy old shoes from Dong Xiao, sometimes by weight, it doesn't cost much. Bought, painted, repaired, brand-new, set up a stall to sell.
Used clothes sold by appraisers: The used clothes sold in Dong Xiao include soft leather products, robes and jackets, down to undershirts and trousers. Generally, it has not been reduced to rags. Appraisers take care of them, turn them into a dirty and torn coat and trousers, and then sell them at street stalls.
Various workshops look for raw materials: In the past, the handicrafts made by workshops in Beijing were all made of waste materials, so they also came to Shi Gui to exchange available raw materials. If the copper shop buys broken copper, go back and melt it into a copper pot and spoon; Shoe stores buy pavements, rags, go back to play, and make cloth shoes; Buy a packing box at the board shop and go back to dismantle the board to make a board; Brick and tile shop bought some broken sacks and hemp ropes, went back to chop hemp knives and build houses with mud.