Some examples of people who commit fraud

No profile photo, recently joined Facebook and no friends.

Disclaimer: Not everything with these characteristics necessarily constitutes fraud, however it is the most common. You should be aware and analyze whether it may be fraud or not. 

This person has several publications. In some of them he uses the descriptions that Caja Grande LLC use in their market place publications.

Always check and compare current prices on the market. Since if it offers less it is not usual like this case.

Disclaimer: There may be cases where people simply want to sell a container they had in use regardless of whether they win or lose. It is important that you always do your research well.

Some use suspicious names. So entering your profile and seeing the activity can help analyze if it shows signs of fraud.