It helps you build a community on Instagram. The more you like and comment on other user’s photos/reply to said comments on your own, the more likely you are to get involved in their conversations, to meet new users, to be seen as one of the community. Just make sure your engagement is genuine.
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.