Why is Redfin higher than Zillow?

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Tags

1. #value
2. #variables
3. #impact
4. #parts
5. #system
6. #country
7. #algorithm
8. #detailed
9. #homes
10. #zillow
11. #redfin
12. #estimates
13. #different
14. #provides
15. #pricing
16. #difficult
17. #calculate
18. #looks