Doing a kip up in a real fight might leave you very vulnerable and lead to you getting hurt. You will be pretty much defenseless on your way up and after you get up. A good fighter will hurt you!
Same answer as "Aon"
Try going on YouTube
YouTube is your friend.
I am a martial artist, and a pretty decent one aswell. But I want to learn how to do a kip up so when I get knocked down boom! Awesome kip up. I am at level 0 though, I dont even know where to start to practice? How do I start?