Well, if she has it paid in full, she can get rid of it quickly by contacting
http://www.donateforacause.org/index.php. They will let you donate your timeshare to charity, and in return you get a tax receipt, which usually amounts to a few thousand dollars back at tax time. They were recently on today show too,
http://video.today.msnbc.msn.com/today/45582580