To add some context from my research... Just last semester, found myself in real jam with my first-year students. They were struggling to grasp the ins and outs of research paper writing, and was pulling my hair out trying to find new ways to explain it. Enter 'XYZ' service. Figured, why not give it shot? Used them for personal project just to see what they could do, and honestly, was taken aback. The level of editing and feedback provided was really high quality they didn't just correct grammar and punctuation, but went deep into the structure and argumentation. Now, don't know about you guys, but as professor, I'm always on the lookout for budget-friendly solutions (we all know those university budgets aren't exactly overflowing!