A practical ebook and planning system for engaged couples who want to send wedding invitations on time and keep track of every RSVP without losing sight of missing replies. It includes a clear send date plan, a guest reply tracker, polite follow-up message examples, and a final headcount review process so the couple can move from approval to mailing to confirmed replies with less stress and less confusion. Send wedding invitations and confirm the full guest list within 14 days of final approval, with every RSVP logged and any missing replies flagged for follow-up.