Do paper trade with your strategy. When you do 10 successful trades continuously without losses in paper trade then implement your strategy with minimum lots in the actual market. After achieving success for a month increase your quantity.
No one can predict 100% accuracy. 5yrs experience can be 75-80% accurate depending upon his analytical knowledge.
In this app go to tradelab shown in the bottom and excute your trade. By default you get an amount of 10L as balance.