Great point. For now, it is limited to AZ and NV and for wholesale purchases only. But it seems like a conflict of interest that's hard to prove isn't being abused.
Isn't Amazon's marketplace similar in that regard? They compete with other sellers using Amazon's platform all the time.
Ethically, it seems a bit fuzzy for me given that one of Zillow's big features is there zEstimate. How can they demonstrably prove they aren't tweaking that somehow for their own gain?
Why? BlackRock offers solutions to other asset management firms to make investment decisions. They use the same solution in their asset management division.