“I don’t feel like Texas is my home anymore,” Lewis said simply. He ended up selling his home through a real estate service launched last summer by the Dallas-based broker, Bob McCranie, who sought to help LGBTQ+ people list their homes in Texas and then connect them with an agent in another state or even a different country where they’d like to go next. McCranie initially called it “Flee Texas,” but soon changed the name to reflect a broader group of people expressing interest in the service. “What we discovered was we got so much response from other states that...