This Start-Up Helps You Sell Unwanted Furniture in a Sustainable Way by Shaina Mishkin When Alpay Koralturk and his wife Basak moved into a new New York City apartment in 2014, they wanted to do so sustainably — a task that turned out to be more difficult than expected. “She and I are both quite passionate about the environment and sustainability, so we wanted to get [furniture] secondhand,” Koralturk said in an interview with MONEY.