Abstract: The invention is directed to a method and apparatus for protecting a party having an interest in a real property against an inaccurate appraisal of the value of the real property, wherein a loan is provided from a lender to a borrowed, the loan being secured by the real property wherein the system involves generating a determined value of the real property using an automated valuation model; and covering the lender under a warranty for a warranted amount comprising at least a portion of the determined value to provide financial compensation for at least a portion of the appraised in value of the real property. The system of the invention may be accomplished over a computer network, such as by using email and the Internet.