Most people think of open houses as weekend events. What better way to spend Saturday or Sunday than wandering from house to house in hope of finding Shangri-La? The problem is, so many other things happen on weekends, too: daytrips to the countryside, brunch with friends, playdates, and piano lessons. Life is busy! But what if open houses were held throughout the week, preferably right after work and on the way home? Enter the twilight open house.