Which is more accurate Zillow or Redfin?

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Tags

1. #estimates
2. #zillow
3. #provides
4. #slightly
5. #homes
6. #version
7. #margin
8. #claims
9. #market
10. #change
11. #value
12. #algorithm
13. #accurate
14. #however
15. #redfin
16. #zestimates
17. #error
18. #newest