Definitely start with the elbow lever if ur not heavy most people can do its with almost no training history. And even if your not strong enough you can learn it in a week while the other 2 takes much more time to learn and strength
Why Australian pull ups?! It's hard to find bars to do these on. You should pick something more accessible, that people can actually do. Maybe there are places to do it somewhere. Though, I do thank you for the workout plan. It's not fully visible because of the text overlay. Aha! Except in comment mode.
I'm 12, i can do a handstand for 25 seconds, also handstand push ups. Can do elbow lever and the L sit. Absolutely SHREDDED. Keep up the good work anyone reading this.