Please make sure to update your RSVP at least 1 hour prior to the event. This allows wait-listers to RSVP "Yes" up until the time of the event. No-shows are noted and may jeopardize your ability to attend future events. After 3 no-shows you may be banned from the group. Members with reasonable excuses will be not be considered a no-show. Thanks for your consideration.
On the other hand, please don't crash events! Sometimes there are limits on attendees due to the type of event or for permitting reasons.