"Depends," she shrugged. "If I open a portal it's just like opening a door you can step through. A little tingle, maybe just a touch longer to cross a threshold, but easy and simple." Under ideal circumstances.

"If I teleport you directly it can get bumpy, or if I'm injured and exhausted the doorway method can get bumpy, but no one has ever dropped more than a foot or two to the ground when they arrive." Maybe Bill's mom would like Aruba?