You should analyze the team behind a project. If they have a noce background with legit information, it is a good sign for a project. Also, you need to follow their social media account which give you information daily or weekly. Suddenly changing posting routine or being disappeared is a sign they might exit scam

Low coins are very charismatic but the risk is pretty high. So be careful whenver you want to invest your money to them. Money management is also a factor heping you reduce the danger. More time is needed to check several projects