To be safe, have them talk to their insurance agent first, too --
depending on the insurance market in your state, it may be difficult
or very expensive to insure a home with recent water damage if the
previous owners filed an insurance claim over the incident.

--
is Joshua Putnam
http://www.phred.org/~josh/
Books for Bicycle Mechanics and Tinkerers:
http://www.phred.org/~josh/bike/bikebooks.html