From my experience, I would suggest to trade at least two contracts a time at least. One for scalp, and one for swing if you feel comfortable. Then you will always get something if swing does not work. If you are not comfortable to handle the risk of two contracts, then you can start DT with SPY like me.
1. buy stop at bar 5 to MM target, ema also, save some for swing which got even out later.
2. short ema at bar 10 for scalp
3. buy stop at bar 22 for 2 points and swing some to 1211 MM target.
4. I thought about short at 1213 area, didn't pull it.