Until now majority of the project at the moment I could say its not good, due to most of them are not paying rewards in the end.
Or they may give but the value price of the token didn't last for long in the market where in a short period of time it became shit in the end.
This is the truth what I saw from different project before.
That's because you are following wrong project, try to join IEO project created on a large Exchange, then you will get satisfying results. Like the Fx and IPX projects, until now their coins still good in the Exchange. For security, indeed it's better fill your portfolio with the top coins.