Accuracy is the wrong standard for valuation. While the data reported should be as accurate as possible, the valuation process can never be "accurate", because of the way RE markets work . Credible and supported are the metrics - and the insane fast turn times and over reliance on auto data population to feed the AMC machine for fast and cheap works against what makes appraisals, or any valuation, credible and reliable.
USPAP says perfection is not possible, and these software autofill programs promise a faux idea of perfection with respect to mass data and "accuracy. " They do deliver slick charts and graphs, but it is the results that count and missing good market analysis and comp sale choices, the appraisal will be a slick-looking, yet can have a skewed or poorly supported value.
The GSE-enabled undermining of the appraiser's role and the stakeholders propping up AMC fee predation are the main problems on the res lending side, affecting appraiser selection and who remain in the field. This is why appraisers are jaded when profit-driven tech software solutions are pushed as a solution. Saving ten minutes with an auto-fill program will not compensate for fees being 40% or more lower than needed and for turn times that are too fast to verify or chase down important information.