Still resorting to the help of specialized companies that charge a large amount of money for their services? Then I have something for you! I want to recommend a tool that I personally use and that will definitely help you! The tool uses specialized algorithms to identify errors and point them out. I am happy with how it works and therefore I recommend you to use it!
https://www.commacheck.net/how-to-use-a-comma-checker-online/
