Hi Tamara!
Thank you for bringing your question to the Disney Parks Moms Panel. On a personal note, my favorite thing about
Disney's Online Check-In is that it means my Walt Disney World vacation is right around the corner!
Disney's Online Check-In allows you to provide information from home that you normally would at resort check-in. When you arrive, rather than waiting in a potentially longer line for regular check-in there is a special queue for those that have completed Online Check-In where you'll normally find you have less time waiting and an
expedited registration process. If you arrive at a time that the front desk is not busy, you may not notice a difference, but during peak registration times or busy times of the year I have certainly noticed a difference in the past!
It is one of those things that doesn't take much time from home and may potentially save you time when you arrive! While it's not a necessity, I would still recommend completing your Disney Online Check-In prior to your arrival.
Please let me know if you have any other questions before your trip.
-Lindsey ºOº