Bernice,
In regards to getting an accurate appraisal, you stated, "Be sure to include both sets of data, even if the appraiser elects to use only closed sales."
An appraiser is subject to USPAP guidelines, set forth by the Appraisal Foundation and Congress, and MUST use closed sales.
However, as an FNMA appraiser whose work has dramatically increased this year due to foreclosures, we utilize comparable listings including pending sales. In most cases, the list price is much higher than the eventual sales price. more...