Where do you all get the price information for your cell phone?

pu1. Recently, they share a lot of information there because it's called a buzzword. It's like sharing information in a crunchy snow room.
Because information is shared by ciphers, we need to find some terms and how to use them

2017-11-17

OK

pu2. In Seoul, it's better to know the price and then sell footwork at Sindorim or riverside

2017-11-17

OK

pu3. In some cases, it is shared by acquaintances through lines, so it is difficult for ordinary people to know

2017-11-17

OK