In a tired unit, this is invisible. In a renovated one, it's the only thing she sees. Old kitchen, old vent, chewed baseboard, bent blinds. The whole thing graded as one tired unit and no single item was doing the damage. Then the quartz went in. New cabinet fronts, tile in the bath, a fan that doesn't wobble. New work raises the standard in the unit, and anything left at the old standard stops blending in and starts pointing at itself. Clean the entire room and the one dirty sock on the floor becomes the room. Munger called it contrast misreaction. Your eye doesn't measure. It compares. I've walked this tour after tour. Appliances, cabinets, faucets, lighting, all of it done, and then somebody looks up and there's a vent cover that looks like it was recovered from a shipwreck. It was never on the scope. Kitchen, bath, flooring, fixtures, paint. That list gets written at a desk off a capex line, so the vent covers and the blinds and the closet shelving never make it. The prospect is grading the whole time she's in there. Not off a checklist. She's running a score, and she will never tell you which line dropped it. It only takes one property in your comp set that finished the job. Same rent, same quartz, same fan, but the vents are clean, the baseboards aren't chewed, and the closet shelf sits flat. She signs there and couldn't tell you why she liked it better.