With a cargo carrier mounted to the rails it all actually comes
off in one piece (load bars and carrier -- the bars being bolted to
the bottom of the carrier). As long as you have a place to store
it at your destination your are OK. You just unbolt the four
corners and lift. You will need two people (at least 5'8") to
do this.

Other times I have just unbolted the corner hooks and left it all
sitting on top of the car. Just don't forget and drive off like that!