You've booked the venue, you've commissioned event staff (perfect), the menu is taking shape, and the date is in the diary. Next comes the invitation, which is easy to rush. Send it too early and people forget about it. Send it too late and the people you most want there are already booked. Timing your invitation well does more than fill the room. It gives you reliable numbers early, which makes every other decision easier: catering, seating, bar stock, and how many staff you