It’s hard to edit your own work, but when you are self-publishing and broke, there are little other choices. I am editing a novel that I haven’t read in a while so it isn’t “fresh” in my mind. I think this is the key to looking at something objectively. Also, the book Self Editing for Fiction Writers by Browne and King is a wonderful resource. (Here)
It’s a terrible feeling to find mistakes in something you have already put out there. I hope people understand why such things occur. We try to make things the best we can but after the 484th time of reading something, your eyes glaze over and you mind turns to mush.
Hopefully, if someone were truly interested in picking up an author, they would see the potential in the the writing, not that the spell check failed. Maybe I have rose colored glasses on though…
So, just do the best you can and fix mistakes as they are noted. No one is perfect, as hard we try to be! We can only do what we can do.