If their content ties in closely to your brand and what you post, then it can be rewarding. But if they post a lot of content that is unrelated or inappropriate, you don’t need to follow them back.
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.