Don’t Mix up your Trading Systems else this can happen!

Today, I took a trade using my usual support/resistance techniques. I had seen that WTI Crude had some trouble around the 100 mark and also had penetrated the Daily Pivot and looked like it was to fall. This was a pure price action trade and I went short at 99.82. My initial target was 97.55 which is around 230 points. However, I've also been looking at another trading system lately which was sent to me by a friend of mine who I know has been doing very well. When I looked at the WTI Crude Oi