Originally Posted by
exwannabe
You also could try pricing it with a long stopover in NY on the return. This avoids the luggage issue, along with any moral quarms one might have, plus yeilds a free NY->DTW ticket for sometime down the road if it is any use.
Another way to avoid the luggage issue would be to switch airports in NYC.
Both are great suggestions. Even a 23 hour layover in NYC will allow him to make the case to have the luggage only checked to JFK.