I’m Sarah Jividen, a Wilmette real estate agent with @properties Christie’s International Real Estate. I help move-up buyers and sellers across Chicago’s North Shore, including Wilmette, Winnetka, Kenilworth, and Glenview.

Most of my clients are professional couples outgrowing their first home and moving into a 4–5 bedroom house in the New Trier area. That usually means selling and buying at the same time, and often working around a school-ye...