What tools or platform you actually use for back testing if you don't mind to share and why you think which one is better from other please mention that as well when you reply I will be looking forward to know why you really think this is necessary even when we are making profit although when we are making profit we tend not to waste our time on such testings while we can find some good entry point but you know what I agree with you on this.
But to clarify that we should do back testing after few weeks when we learn some new indicator or method to analyze the market once we think we have learned enough then start practicing it in real market by keeping the capital small. You are wrong though about the title as back testing is not enough we need more than that to make a successful trade.
There isn't a tool that would make backtesting any better for your future. Backtesting is backtesting, it laterally means you pick a strategy and then you hope for that strategy to do better in the future by looking at what it could have done in the past. So obviously, using whatever tool you have, the very best could be used, still wouldn2t change the fact that what it could do may not be what it will do.
This is why backtesting is a very risky way to move forward, a lot of people try to do it, but most of them fail and you shouldn't trust it at all. I am not saying don't do it ever, of course you can do it, just don't rely on it and doesn't matter what tool he is using, the result will not be changing. Use it for understanding the markets, but we have seen months where it goes up, and following month it goes down, using backtesting would give you great results on the good month that happened, and strategy will fail on the bad month that follows afterwards.