 Would the narrator consider his trip worthwhile?
The aliens came in every shape and form, in all colors and textures—and all of them eager for a Corrigan contract. The Galaxy is full of bizarre beings, but there's barely a species anywhere that can resist the old exhibitionist urge. Stuff like this: Want to visit Earth—see the Galaxy's most glittering and exclusive world? If you are a non-terrestrial, there may be a place for you in the Corrigan Institute of Morphological Science. A life of wonder and riches can be yours! It's the best of its kind, the only really decent place where Earthmen can get a gander at the other species of the universe. "I'll be placed on exhibition at your Institute on Earth. I'll be required to remain on exhibit no more than one-third of each Terran sidereal day." But just because we needed him didn't mean we had to be extravagant in hiring him. I passed him along to Auchinleck to sign at anything short of top rate. It was the isolationism of the late 29th century that turned me into the successful proprietor of Corrigan's Institute, after some years as an impoverished carnival man in the Betelgeuse system. Before then, anyone could visit Earth. After the gate clanged down, a non-terrestrial could only get onto Sol III as a specimen in a scientific collection—in short, as an exhibit in a zoo. Every alien wants to see Earth once in his lifetime, and there's only one way he can do it.
 All of the above
 No - it was more trouble than it was worth  All of the above  No - it nearly cost him his life  Yes - he found many new non-terrestrials