Agreed, think to some large extent you can avoid being scammed by doing research. Asside from the project itself, there are several websites (ie icoalert) which are doing reviews on (upcoming) ico's and you can check up teammembers on linkedin etc.
Exactly bitcoin is not a playing material mate bitcoin is an expensive currency that we really need to live a better life, today we are getting good amount of money from bitcoin. Investing your money at the right place is the most important thing to do if you really want to make some good amount of money and that you need to think very well before making any kind of decision as this is the only thing which can make a difference at the end and that all your earnings will then be based on this