When you go live, start by trading 1 stock at a time, and only trade 100 or 200 shares max. You shouldn't be trading more then 10kshs a day either. When you become a little more comfortable with the feel of being live, and have posted some gross profits (ie gross $200 over a 5 day period or gross positive for x consecutive days) or whatever you deem as appropriate, then you can add another 100shs. Starting by trading too much size is why most traders fail. Trading live vs the sim is a lot different, as you probably already know, but just wanted to reinstate that fact (you won't get all the same fills). Also put up a daily loss limit/ weekly loss limit. Your first year just needs to be staying in the game.