How to replace your MT4 Expert Advisor with new version easily without redoing everything. Illustrating with The Alien Gift 2.01 (TAG 2.01 trading robot by OnlineForexMaster.com).
Want to know how to choose the right currency pair to trade? Realise first of all that currency pairs are different so there is no one-size-fits-all strategy. Sort them according to their level of volatility, their trading pattern and their performance then pick one according to your strategy and fits your psychology.