Why trade Forex?

Of all the ways to earn a living, why would you trade forex?
Well, for starters, it is the most liquid market on the planet, with nearly 2 trillion dollars a day. Add to that the amazing leverage, plethora of trading methodologies and ease of opening accounts. Not to mention that there are many free charting packages with amazing technical analysis capabilities.
So, there is the why, but what about the how?
I am going to explore the why, and as I do, post the lessons I learn and the results that I get.