That a good idea " not your keys, not your coins" This is very important for anyone that is coming into crypto investment to know more especially newbies. So as for me the best advice I would give to anyone that wants to invest in crypto is not to invest more than what they can afford to lose. There are risk associated with crypto currency morespecially due to it's volatile nature so it can't really be speculated correctly. Also it will be unwise to allow our decision as regards our investment to be based on emotions and impulses. Before reach to any decisions we should make proper research to avoid making unnecessary mistakes that make affect or expose our investment to a great danger