Ask HN: Everything I post is flagged. Is this on account level?

You're mainly using HN to advertise, so yeah you're mainly going to get your submissions flagged.

From the guidelines: https://news.ycombinator.com/newsguidelines.html

> Please don't use HN primarily for promotion. It's ok to post your own stuff part of the time, but the primary use of the site should be for curiosity.