If you are underwater with your mortgage, how do you go about selling it?Paid $255, now the Zestimate is $183..should we sell, refinance, short sell, walk away etc. It decreased $1500 last month alone. What should we do? May 21 2010 - US00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.