The editing IS a mixed bag, self-pubbed authors who take the whole thing seriously and aren't broke DO pay for editing services, but obviously not all of them do.
This is why sampling is so important, unless they got someone to edit the first part but not all of it, the grammar/etc issues should be obvious within 5 pages.
This is why sampling is so important, unless they got someone to edit the first part but not all of it, the grammar/etc issues should be obvious within 5 pages.