What is more, you can get tokens for testing a project's beta. For example, KickCity. You can get reward for testing this platform https://kickcity.io/event/5a9d11030cf2cac8e081f3e8
Investing in ICO's is profitable if you know what you are doing, besides on Etherium and Bitcoin I also invested in an ICO's which maximize my profit monthly whereas I gain 100%. Make sure you double check the background of ICO you will be joining to avoid being scammed in the end. Lots of ICO's are a scam in today's era of the crypto market. They must have a clear roadmap and a dedicated team to support you along the way.