value determinationsI realize that Zillow just estimates my home value, but how can the value go so far up and down from week to week? As in $160k to $154K to $142K to $152K and back to $142k? Thanks! January 24 2012 - Portage Park00YesReport 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.