Uber, Lyft and cab services are usually readily available. No rental cars at airport.
Other places to stay besides Craddock Terry Hotel?
The Virginian which is also downtown.
Tru by Hilton, Hampton Inn, etc. approximately 15 mins from downtown, closer to airport.
Airbnbs - book ASAP, there aren't a ton of them.
Are my kids invited?
Your invite will be addressed to "The ____ Family" if they are, your formal invite will also say. If you have questions please reach out!
Dress attire?
Semi-formal. Check the weather, a Virginia October is typically much different than a Michigan one.