I'm just wondering, if you're a curator, would you upvote your posts over others'?

I stopped self-upvoting long time ago, so no, I would not upvote my posts. I support others.

What makes your post special that people should care?

What makes other people's posts special? A joke, a good (or even a bad) photo, an interesting story or fact, a discussion, or even a viewpoint, an opinion. It could be literally anything. It is totally random.

Every upvote, tip, or comment is freely given. And you should be grateful if you receive them.

When I get them, I am happy and grateful. But the comments are so rare (not just/only on my posts, but in general) that it is discouraging and disappointing.