What is the fine-grained topic of the following text: If I can catch a couple in time, I urge them to put a 15 minute or 30 minute “buffer” on their wedding invitation, depending on the weekend, location/venue, time, bridge/road closures and community events (Opening Day of Boating Season, Seahawks, Seafair, etc.). Only return the topic.
Advice for scheduling buffer time on wedding invitations