Spoiler Alert: You'll NEVER feel ready! So you might as well start now.
Not everyone is going to like you as a yoga teacher and that's okay.
The first time I auditioned at my favorite yoga studio I was rejected. That didn't stop me from auditioning again a year later once I was a bit more confident -- and then I got the job!
I'm not very flexible. I've come to realize this is an asset for me as an instructor as I'm able to better offer options and variations for students that also aren't super bendy