How do I automatically buy/sell? Any help appreciated

How do I automatically buy/sell?

Is there a way to set up my account to automatically purchase X stock at Y price, and then again automatically sell X stock at Z price? Any help is appreciated.

How do I automatically buy/sell?

Is there a way to set up my account to automatically purchase X stock at Y price, and then again automatically sell X stock at Z price? Any help is appreciated.

How do I automatically buy/sell?

Is there a way to set up my account to automatically purchase X stock at Y price, and then again automatically sell X stock at Z price? Any help is appreciated.