Trading is very risky and one must pay the price if one wants to start trading. You must be willing to take the risk but not just risk, a calculated one and stay a profitable trader overtime.
You just have told here some basic facts and advises that must be followed to earn good at the end of day. There are some people who start with nothing but somehow they gradually increase their potential and the ultimate results from their side is an immense successful tenure of being a trader. So dont just rely on luck rather apply good advice in practical field and earn money.