Mayo pays for hotel.
Everyone else just gave dinner the night before, breakfast and then lunch the day of. (Univ OK, SIU, Duke, Wash U, UT-H, UT-SW, Ohio State, UAB)
Ohio State also gave a tote bag.
Most give you a folder with the info and like a free pen.
IF the dinner the night before was at someone's house they usually arrange residents to drive you out there.
You usually don't know who does what until after you get an offer for an interview (obviously.)
We are definitely not in the specialties (like Medicine, Path, and some of the others) that role out the red carpet or anything-Path especially.