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      "answer": "Drone cleaning fits buildings from 45 feet to 250 feet tall, which is 4 stories to 20 stories.",
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      "answer": "Difficulty adds 10% for moderate access or soiling, 25% for high, and 40% for an extreme building or a first clean.",
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  "tier": "metro",
  "title": "Window cleaning cost in Birmingham | SkyPSI",
  "url": "https://skypsi.com/estimates/window-cleaning/al/birmingham/",
  "via": null
}