It can be in 5 months to 2 years. It really depends on niche and the strategies you put into. 10k is actually achievable in a year if you do collaborations and influencer marketing. Check out the Phlanx platform for tips and influencer marketing collaborations.
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.