Sorry for delay I was out getting groceries when i saw you comment from my phone.
Give this a follow and scroll down the feed. It has tons of useful tips and advice for making the most out of steemit and a better understanding of how things work.
https://steemit.com/@steemitguide
No rules about what you post within legal limits of course but no rules doesn't mean people have to like what you wrote or even be nice about it. lol. So keep that in mind.