These tactics are really more important for daytraders and flippers...with owcp becuase most of us are locking our shares away for a while it isn't so important...but had you waited the 15-20 mins you'd have gotten them cheaper. Pschology plays a big part in becoming and staying a successful trader.
Listen, if the stock had run away and was trading higher your .71's would have looked perfect... But guess what..they still are perfect...