BCIS Tyvola Center
Rajma,
My advise to you to drive Early morning from your home to Charlotte Tyvola Center, just make sure you reached here before 7:30 AM and take a number and wait, INS Officer are very nice and so far maximum waiting time is 2 hrs to 3 hrs. if not many people in the hall for stamping then you should be done by 30 min max.
I live very near to Tyvola Center, if you still want to stay in Hotel then I advise you to stay Quality Inn which is very near to Tyvola Center.
Just pray that their system are up and fast if their system is down or slow then you can not do much except waiting.
Good Luck and do not forget to post your Experience.