Legally, there are none as there aren’t any laws against the “buying, selling, or transferring” of social media assets, including Instagram accounts. So, to be clear, going against Instagram’s policies doesn’t correlate to breaking any laws.
What happens after 10k followers on Instagram?
Once you have 10k followers, Instagram will make it easier for you to get people to your website via Stories with the swipe up to link feature. Swipe up is the only way to get a direct link from your Instagram to your other web properties. And, it’s available in STORIES, if you have 10k followers.