1.Only invest what you can afford to lose.
2.Never invest in something you dont understand.
You wont immediately understand everything, thats ok. Do some research.
3.Dont day trade unless you spend a minimum of 6 hours a day on the markets.
4. Be patient and buy it on sale.
Thank you. Its a very good advice, it will be helpful for those newbie who really wants to invest their money in some icos. So for those people who really want to invest effectively, one thing i consider is to read, analyze and do more research about the projects which you really want to put your money.