Gwyneth Paltrow is finally making her lifestyle attainable — at least for a short while — as the Oscar winner prepares to list her guesthouse on Airbnb. The Goop founder, 50, took to Instagram to show off the Montecito home that will soon be available for two guests to rent on Sept. 9, via the home-sharing site. The “Goop-Inspired Stay,” as it’s dubbed in the listing, is part of Paltrow’s partnership with Airbnb, which notes it’s trying to make people feel less lonely by offering rentals from “unexpected” hosts. “Welcome! This is our guest house. Wood-burning fire place, lovely little bar, the...