Hey Corey,
Thanks for reaching out. Unfortunately, neither of these things are possible with our plugins at this time:
1. Is it possible with The Events Calendar suite to indicate that an event could get cancelled if a minimum attendee count isn’t met?
2. Is it possible to create an event with the option to book a slot privately? Ideally, once I activate community tickets, an event provider could create their event as well as their availability for a private party reservation.
These features are technically possible—they can exist—they just don’t exist in our plugins currently, so they would unfortunately require many code customizations to implement 🙁
So to implement the features you describe, you would have to write that custom code or hire a professional developer to write the code for you. We have a list of great developers here → http://m.tri.be/18k1 (and have no affiliation with any of these folks—they’re simply some well-respected names in the community that we’ve compiled to share in situations like this one).
Sorry to disappoint!
George