50sma, 20sma, 5sma all in uptrend = next bar is green. Then fear of the unknown makes you cringe protecting your private parts.
Buy successful companies with a sustainable competitive advantage. Don't sell, ever. Boom! Over time, you'll destroy the vast majority of "professional" money managers let alone "traders", lol
It's actually a good question and probably the first principle one should understand before undertaking an endeavor in strategy development. The trading system or strategy that is most profitable is the one where the cumulative difference between entries and exits times the amount of capital invested is greatest over a given period.
For noobs, I'd begin by reading this. https://towardsdatascience.com/how-animal-investors-beat-the-market-3c052dd1e31c
Why? We have to share with some unknown person in the internet some valuable trading software of method? Will you share with us your interest in the bank account (if you have one)?
Get on up offa that thing and get to work! Here are a couple ideas to get you started: https://www.amibroker.com/ http://blueowlpress.com/books/ Note: This advice is not for Forex. Do yourself a favor and trade equities, MUCH easier.