99% of all errors in writing are simple to fix. But, that’s also the reason that simple errors on your paper give such a bad impression. As a professor, I see errors on papers that could have been easily caught by simply proofreading the paper.
Each semester thousands of students enroll at a university, choose their courses, and head over to the campus bookstore to get everything they need for their upcoming semester. What they don’t know is that they are often paying up to 200% of the price of their textbook.