1st Tool (Charts): You need a reliable source for your charts. You should be able to draw trendlines, support and resistance lines, place indicators. 

2nd Tool (Risk Management): An even more important tool than the 1st is how to manage risk. A successful trader sticks by his risk (money) management rules. A good tutorial can be found here.

3rd Tool (Required Reading):

a.) Steve Nison: Japanese Candlestick Charting Techniques

b.) Marcel Link: High probability Trading

c.) Mark Douglas: Trading in the Zone

4th Tool (Recommended Videos)

Finally, sign up for a demo/live account at our sponsored Forex broker, FXCM.