How Zillow Made Growth as a Realtor Unattainable and Unsustainable. A Blessing and a Curse at the Same Time… Zillow leads made real estate feel easy at first, but over time, it became unsustainable for my business. Here's how it all went down. Not long after I became a realtor, I was introduced to the Zillow Premier Agent Lead Program. Initially, it was like printing money—I got into a zip code for just $75 a month, and we were closing deals left and right. The real estate leads were top quality