I just started trading live with Robo Trader. I found that one of my systems left $3000 of buying power in my account although it could have bought more stocks because the price of 3 of the stocks was way under $3000. My system setting in "More Settings" was put on "Invest all buying power". I sold these 5 positions and am going to change the setting and see how it buys stocks. (Going to do this on Monday 10/12 as market has closed for today 10/9).