Prior to automating the process, getting an answer from an underwriter took up to a week, we are able to produce a decision in minutes.
And previously, every mortgage required a standard set of full documentation. What automated underwriting recognized is that a lot of documents are not indicative of default. Based on the characteristics of the borrower, the document requirements changed.
Training is not necessary, the learning curve is in using the site and being able to understand and recognize the results that are coming back.