Katie Hill’s dream home isn’t on the market — but one day, it will be, and she wants dibs. That, and a bit of neighborly envy, is how she got the idea for her startup, Unlisted Homes , which is a Top 20 Startup Battlefield finalist at TechCrunch Disrupt 2025 .

“I’ve always imagined myself as an old lady with a big hat and big sunglasses, sipping a martini by the pool,” said Hill, a longtime entrepreneur. As her children grow into adults and move away from home, her neighbor’s lot across the street seems perfect: It’s a smaller home that’s perfect for downsizing, but more importantly, it has a pool.

“I mentioned to my neighbor one day while he was cutting his grass that if he ever wants to sell his house, I was interested in buying it, which I knew was kind of a bold move, but I don

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