Learn,Learn and learn as much as you can , Be patient , focus on risk management don't jump on things with diverted mind , take a close market analysis and be constant.
Practice until you become perfect always practice with the same amount you want to start on real,if you want to start live trading with $100, demo trade with $100 to see how good you are use proper money management $100 use 0.01
Have a trading plan and trade the plan. Included in this should be good money management and trade risk/reward ratio. Don't trade money you can't afford to lose!