https://horrorthon.blogspot.com/2006/08/did-i-mention-that-i-caught-first.html
Horrorthon: Did I mention that I caught the first installment of Nightmares and Dreamscapes and it...
the first installmentnightmares and dreamscapeshorrorthonmentioncaught
https://support.teamapp.com/en/knowledgebase/16-registrations/docs/337-can-the-first-installment-be-optional
Team App Support: Can the first installment be optional?
Decide if the first payment is optional during registration, allowing participants to complete signup before making the initial payment.
the first installmentapp supportteamoptional