Well before investing in a certain ICO think wisely first consider some aspects that are very relevant and helpful in your investment. For example consider the aspect of feedback try to research first the stand of the certain ICO if it is progressive or not then maybe it wasn't successful or scam then see the feedback of the other investor if their payout or investment is successful. Then research who is the manager what his/her is background regarding investing in different ICO's so that you have a prior knowledge on what that you have been taken. In the end there is no regrets with the way you chose.