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.
Try to keep to no more than 3 colors in your wedding color scheme, one main color and two other contrasting or similar ones.
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.