Map-based real estate data is genuinely hard to collect at scale. The listings are rendered dynamically, the placemarks carry structured metadata embedded in CSS classes and href attributes, and the page requires JavaScript execution before any data is visible. Yandex Realty's apartment rental map for Moscow is a good example of this pattern, and it is exactly the kind of source where a deterministic, DOM-based extraction approach pays off. This guide walks through how to bui