Automatically determining a current value for a real estate property, such as a home, that is tailored to input from a human user, such as its owner

A computer-readable storage device whose contents cause a computing system to perform a method for procuring information about a property from its owner that is usable to refine an automatic valuation of the property, the method comprising:

• generating the automatic valuation of the property using only information about the property originated by a public source;
• displaying at least a portion of information about the property used in the automatic valuation of the property;
• on a first day:
• obtaining user input from the owner adjusting at least one aspect of information about the property used in the automatic valuation of the property;
• storing the obtained user input in a non-volatile medium;
• and
• on a second day that is after the first day,
• using the stored user input to display to the owner a refined valuation of the property that is based on the adjustment of the obtained user input.