That's the right approach, keep things as simple as you can and trade your plan as defined. Most fail because, they don't actually have a tested methodology, their system is too complex or they lack the discipline to trade it.I day trade the ES:
Difficult, however, I've found that creating a simple strategy for entry trigger, exit target, and stops need to be super simple. For me, my success started when I began to design my strategy with only a couple of indicators and one chart.
I don't "guess" the direction nor do I care about the direction or the results of any particular trade. I just take the signals, exit or stop out per the strategy. Each trade is merely a data point and means nothing to me. It's the long term results that guide me.

