n. An unscrupulous company that provides misleading or erroneous appraisals, particularly for real estate.
2010
Still, some experts say the system needs an overhaul, from the "appraisal mills" and "mortgage mills" that started the frenzy to the "foreclosure mills" now in play.
2009
And as it turns out, there are plenty of legitimate concerns about the new reforms, including the establishment of Appraisal Management Companies — unregulated third-party appraisal mills.
2006 (earliest)
It is likely that if I replied the sender would suggest I order a domain value "appraisal" from a party of his choice, maybe sedo (via an affilate link) or a appraisal mill.