Hi! I don't exactly know how all of this is going to work out in terms of subscriptions or memberships, but right now you're not missing anything by signing up / subscribing for free.
If you'd like to get in touch with me, you can reach out on Twitter (@jberthume) or you can email me at josh (at) roguemetrics dot com.
As a thank you for reading, please enjoy this picture of a sleepy cat named Steve Prissy: