To make more money, you must work hard for it and also take the risk while you are young. If you fail then at least you tried and experienced it, aftewards learn from that failure. From there, you'll gain confidence in what you are doing because you know already and understand how it should work.
i am agree with you that if we want to make more money than hard work and intelligence is really necessary so just like that in bitcoin we need to do hard work and have a lot of knowledge about bitcoin and also experiences than making money will be really easy in bitcoin.