The truth is that 90% of retail traders lose money and only 10% of traders make a profit and see any green. So statistically from a narrow and negative point of view your chances of success are slim at best.
But as with most things in life with a different and more positive perspective towards...
Best to keep all options open but do what you love! The money will then come! Found this for you a fee demo account for a free £25 to get you started: http://www.moneysolved.co.uk/2015/12/08/plus500/
Learn a little first before risking any money. Also why not do two things in life? Maybe...