When starting an investment we should evaluate the altcoin project very well. Investigate if it have use cases, what the community is like, the rewards system and what initiatives it is developing. Which altcoin project in your opinion do we have to get involved with to make a profit y why?
Real world use case
Project relevance
Non anonymous devs
Good roadmap
Dedicated team behind
These are the only few qualities or factors that you should look upon for a project.
It might not be guaranteed to be a legit but at least these indicators are solid ones.