Invest money into ICO is still a great idea because afterward, it will give a good return once the project succeed. Nowadays many ICO's are not legitimate to avoid scam project make sure you will read the whitepaper to notice the legitimacy of the project. Also to know whether the project scope or roadmap is realistic and achievable. There are many ways to find out whether the ICO project is legitimate or scam. It's up to you how you will notice it. For furthermost, invest money with ICO is still a great idea nowadays.