Yes you can make a living out of trading
Know and understand your security you trade in detail.
Know your platform you use and feel comfortable with it, as it will be your daily software you use to make your money with.
Check the broker you work with in advance and do not use this account as a safe deposit account.
Build up some kind of friendship with the people from your broker as they execute your trades and some times even help you, when you make an order mistake.
Understand your self and know where are your weak points. Some of this weak points can affect your trading.
Love the place you will work and trade. If you like plants, put them in the room you trade and if you like to have a nice view, choose a room with a nice view.
Do some kind of sport beside trading, Your buddy may will be tired but your brain will be fit.
Just some adds to the already given information in the thread.
Good luck
DanPickUp