1. Is it Christian fiction? So, let me be clear, I'm not anti-Christian. However, most Christian fiction comes off too preachy to me. It is very rare that I will choose to read one, though I have in the past.
2. Is it erotica or porn? There is a clear difference. If the title of your book looks like something I'd find on Pornhub, men.com, Blacks on boys, etc, I will not review it. That's a porn script that you threw under the label of erotica. If you can't be sure if your book is porn or erotica, it's porn.
3. Does it take on a taboo subject? So, to be clear, if it glorifies rape, molestation, or pedophilia, I'm not reading it. Neither of those things are hot. If, however, a person endures these things en route to becoming an adult or something, i will consider it. Long as it isn't something that makes it seem like these things are appealing.
4. I glance at reviews if there are any. However, I understand that some people are assholes. Sometimes an author will review another author's book and rate it low because they write in the same genre and like to kick their competition down. I'm not one of those. I can tell the difference between false reviews and real ones.
5. Ultimately, I have to like the premise of the story. I think that should be self explanatory. If the story sounds good, I'll read it.
Just another answer to a question here. Keep them coming.