Support and resistance can be used to describe the power of buyers and sellers in a certain period of time which will help us determine the direction of the trend and entry point. I think this method does not experience changes so we can directly use the demo account as an exercise. Usually traders use one other indicator as an opinion amplifier accompanying SNR, anything that is important to understand. There are still many traders who use this technique besides being simple, they don't need to learn for a long time, just look at the top and bottom of the answer, the answer has been obtained.