A sure shot formula for success is to make neat profit by buying higher lows on the re-test. It's called the "W" or "1-2-3" bottoming pattern or double bottom formation. One can undertake more research on the subject as it is a highly reliable pattern and yield neat profit once and every time. However remember that pullbacks at times fail also and thus you should be ready for other side of coin also.
Nonetheless if you are an intraday trader, than you can make money with our hot stock of the day which yields guaranteed profit eveyday. We have traders with us who joined as a part time traders and have now taken trading as a full time career as profit being generated intraday is more than sufficient to run your household.