Why you did not correct some of the essays that I sent yesterday?
VIP users are allowed to send one essay per day. If you send more than one essay (maximum three essays) in a day, the essays still get checked out, but will be put in the waiting list till other users first essays are checked out.
Because a lot of users are waiting for the results, you will have to wait a little bit if you submit more than one essay daily.
For Business VIP users, you can submit more, but less than 20 essays per day: