No one is too old to model! If your interest is major runway modeling or fashion magazines, then yes, your height and age will significantly limit you, since the fashion industry has its own rules and they have a HUGE number of people to choose from. That said, fashion modeling is like 0.0005% of modeling in general.
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.