First steps on Instagram. Couple questions.

I just set up an Instagram account. I've added the first posts so far, but before I take more action towards account development I have a few questions.


1. What do I have to watch out for? Many topics are about the so-called "shadowban". I intend to run only one account and in a "legal" way, so should I worry about it?
2. Can using similar hashtags in posts (usually about 20 are the same + 5-6 different for each post) negatively affect reach?
3. Is there any number of hastags that should not be exceeded?
4. Are there any rules for Instagram contests/giveaways?
5. From experience, what things can lead to account suspension? Are Instagram posts highly moderated? On FB many things can be added before couple persons report post.
6. I use the Instagram account on the phone but I also use it through the browser on PC. I've had a few times SMS verification of the account (probably because I use VPN on my computer and I have other IP). Will it pop up constantly? Will they not block my account at some point?

1. Shadowban doesn't exist and if you are not automating it don't even think about it
2. I would use less
3. Personally now I am only using up to max 10, but if i was you I would experiment with different numbers of hashtags and see which works best
4. Too vague question but generally no
5. Copyright infringement, nudity, botting too hard
6. If you aren't doing anything wrong just using lots of IP's then you won't be likely to get banned but a lot of PV's potentially