There are important transactional emails that are missing and should be put in place to retain members.

FAILED PAYMENT

CARD EXPIRING SOON

CARD EXPIRED

In addition -- Transactional email to Admin when a customer cancels (right now I get an email but it's in my name with no customer details so it's impossible to know whom to delete from our calendar or facebook group -- I think the team is working on this.)

If it were my email, I'd have it say "Name, Email, Membership has expired on Date. Please take them out of the FB group and calendar."

Here is an article from Spiffy with details on how they do expiration dates and cancels: