Remind people who will be doing toasts to prepare something in advance. Tell them what you do NOT want to hear!
Make a list of everything you will need to bring with you on the big day. Gather everything in advance and put it in one spot so that you don't have to search for an essential item at the last minute.
Consider your own transportation needs and how your gown will fit. A fitted or large gown can be difficult to squeeze into a little car or one low to the ground.