Where can I find a good calculator to help determine if buying an investment property is a good ROI?I am thinking about purchasing a home to use as a rental. We are lucky to live rent free right now and have saved some money to eventually buy a house in 5 years or so. We want to determine if it is better to put our money in a CD or buy a rental. Any advice on where we can find a good calculator or tool to help us make our decision?Thanks!July 17 2009 - Boise00YesReport 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.