More than 90 % altcoin are scam. So be very careful. Do you know how to find a good altcoin?
Yup many new emerging coins are shit coins.A good coin can be identified as
1. Having specific idea
2. Well defined white paper
3. Well experienced development team.
4. Well defined website having all the related information
5. High adoptibility by the community.
If you find the above mentioned qualities in an Altcoin then you should invest in it.
All what is written above are so helpful in choosing a good altcoin. Just study the project carefully and observe their development. Our own instinct also might help us in our decision.