You dont even need to know how to gamble or to trade. Everyone can do it as long as they want to do it. It is nothing near rocket science or any sort of it but when someone is totally blind to these kind of thing then it might be hard. I dont even know anyone that can access internet but are blind to these kind of stuff nowadays
The trading technique is very simple. Buy coins at a low price and sell it for the high price this is called trading. Yes there is no rocket since include in this trading, but you should know how the market will work and which coin is suited to trade. To learn this, you need to spend some time other than this trading is very easy to compare gambling.