It's all free. No purchasing of software, hardware, or tickets required. No previous experience needed either. It is going to be a like drinking out of a fire-hose though. So bring a notebook. Recordings will be posted on YouTube so you can watch again.
What's the catch? Nothing, I have a week off from work and I want to share what I do with others. Perhaps the catch is that I get to learn to be a better teacher and grow my following if my content is good.