Hello,
there are almost 10.000 coins according to coinmarketcap.
How to get an overview? How to discover coins with great potential based on other coins with similar characteristics?
Is there a CSV file oder SQL database to analyze somewhere?
There is no miracle recipe, but as already said in other comments, the quality of the research carried out is crucial. Obviously, that will not be enough and it will also be necessary to be lucky ...
A good solution is to balance the risks by investing a part of your funds in solid assets (top 10/20) and the other part in projects in which you believe, following your research. The key is not to get carried away by all the promises made in each white paper. The teams are very, very strong in marketing nowadays !