You will get your bitcoins back in few minutes after 3 confirmations on your in-transaction.
No, you cant.
No, it does not, especially if all translations are made from the same address.
No, it is not considered. Therefore, the final amount will come to you with deduction of all commissions of the network.
After creating a mixing request, you will receive a unique link to the status page of your transaction. You can leave it open in the browser until the end of the mixing.