An automated estimate reads public records and recent sales in your ZIP code. It does not know what you did to the kitchen, which side of the street backs to preserve, or what the last three homes on your street actually closed at after concessions. This is the other kind of number — worked out by hand, for your address, and it comes with the costs subtracted rather than left out.
This goes straight to Justin — no third-party lead service, no list, nothing sold on. Your details are used to work out what your home is worth and to get back to you about it.