‘$’ is a symbol for representing United States Dollar aka ‘USD’. ‘k’ comes from Greek Kilo (or) Greek word chilioi or khilioi which means thousand. Since its prefixed by ‘$’ symbol it is 1800 dollars.
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.