Any successful momentum trader will tell you that one key to success is the ability to get your orders filled. Virtually anyone can be a successful momentum paper trader.
Paper trading is easy.
Anyone should be able to successfully paper trade after several months of effort. The difficulty is in converting paper success into real success, with real dollars. The sole obstacle to this transition is getting your orders filled. I wish I knew. Often times, these brokers can get your order filled instantly, at the inside bid or ask.