There is a misconception that editing and proofreading means rewriting your entire essay. Because of this misconception, many students do not edit or proofread, and thereby miss out on opportunities for improvement and self-reflection. No one gets it right the first try! Draft writing is just that: a draft. It is expected that you'll be looking your work over and making corrections and providing clarity for your reader.
The fact is, editing and proofreading are key skills that are required in the workforce. Being able to reflect on your work and make improvements is something that will become second nature to you; it would not look good if you completed a job only