It’s becoming increasingly hard to gather leads because there are too many sources and potential buyers. For a human, it’s virtually impossible to acquire all of them, and the gathering process will be very slow. That’s the reason why you need web scraping.
While years ago real estate agents struggled to get the data because of all the secrecy, today the problem is very different: there is so much data that it’s hard for a human to process all of it. That’s where web scraping comes to help real estate agents.