Can someone point me to where I should begin?
And one more question: What is the minimum amount of money needed to start?
Basically, you need to at least know some strategy, the most common is buy low sell high, sounds simple but really complicated. To learn to trade, there are free courses online, you can also find some tutorials on youtube. The trading discussion here in the forum might help.
That is not really a strategy but our goal, after all who would like to buy high and sell low? No one because our aim is to make money in the markets, however the question is how can this be done? And there are thousands of ways to do so you just need to find one that works and that you are willing to follow, but despite the simplicity of the advice the majority of people are incapable of following a system like that because when they lose some of their money instead of just accepting it as the price they need to pay to trade the markets they instead decide to try to recover the money they lost immediately with disastrous results.