FYI, you write "1." twice.
6. Test run your work with plagiarism checker:
That feeling you have when you run your work through a plagiarism checker and discovered that your work is 0% plagiarised and 100% unique. This is what your indicters use, it will be cool you use it on yourself to know the quality of your post before publishing.
Unless you plan to write news/article on reputable website or a research paper, IMO it's not necessary unless you have serious concern about your reputation or hate someone falsely accusing you.