Look at the Level 2. Trade Smart and Trade Simple. There will be only one opportunity to correct a wrong trade. Make small gain and move on. Be prepared to exit a bad entry.
The pic is 23 yrs old but I am a 42 yr old part-time swing trader. Price action, volume and chart patterns is all I got in my tool bag. Please don't follow me blindly. Avg yearly return rate the last 6 yrs: 45% including 2014.