Feedback: The "Get the Advanced Pack ($19)" button links to https://apmcommunication.lemonsqueezy.com/checkout which is a 404 page.
I've temporarily disabled payments to be safe. You can drop your email on the waitlist https://forms.gle/HyPpz77T6yARoZVn7 and I'll send a discount code once I fix the plumbing. Sorry about that and thanks for notifying!