Edit with heart.
Here’s the best advice I can give you: write a novel from your heart. Don’t worry about what’s popular or trending. If your book doesn’t move you, it won’t move anyone else either.
If you want to stand out from the crowd, you must feel your book deep in your soul. The message of your story has to be a message you feel passionate about otherwise it’s just another vampire story.
Here’s another piece of advice: learn your craft. Just because you want to write a book doesn’t mean you know how. I wanted to be a writer since I was seven. I wrote my first novel when I was twelve titled Just the Six of Us. I still have it. I’ve been a veracious reader my entire life. When I sat down in my thirties to write my first real book I didn’t have any idea what I was doing. It showed on the page. I’ve written six books and I’m working on number seven. Now, I know what I’m doing.
But knowing what I’m doing doesn’t mean I won’t make mistakes. I do. A lot. That’s why I have critique partners and an editor. You can’t edit your own book. You can make it better by yourself, but you want it to be great? You need experienced eyes on it. Don’t give it to Aunt Carol because she runs the library’s Thursday night knitting book club. Beta readers are for when that book is almost polished. I’ve used them too.