The best thing about this service is that they will read it multiple times until you're satisfied! They have been extremely helpful in getting my work edited, corrected as well as improving upon what I've written.
It has also helped me understand how other people write so there isn't anything bad at all that i can think of. This editing service really helps improve any piece of text for its readers or audience. Overall very good experience using their services; everything was great apart from maybe one small part where something could be improved but nothing majorly negative either since overall still pretty much awesome.