Cinderella carriage is $2850. It is mainly for show. You do get to ride in it but just short distances, such as wedding pavillion to grand Floridian. If your reception is far away, you'll transfer to some other transportation mode where your guests can't see you.
One character costs $900 for 30 minutes. 2 is $1350 for 30 minutes. 3 is $1800 for 30 minutes.