Some new entrants in cryptocurrency trading do trade blindly on coins without doing their research on coins before investing, majority invest base on FUD or a pump group which are not realiable.
The following are some of the factors to consider before investing in coins base on long terms investment:
On-going Projects
Community Hype
Market sentiments
Future projects
Social media reach
This especially applies to beginners. At first they have a lot of enthusiasm and they are ready to invest in any coin, which they will be advised, but then they begin to realize their mistakes. Probably everything comes with experience