Most of the mega houses up there are investment properties by lawyers and doctors. Not your average Joe's. Many vacation renters of those places are a group of family renters that get together for a weeks vacation. There a plenty of houses up there that a two couples can rent reasonably. Just be prepared for the lean times when you have to get off the hip to pay that mortgage when the place isn't booked like the winter times. The OBX can be quite dreary from November to April.