The already low inventory of homes for sale in Chicago is only getting more sparse. Crain’s residential real estate reporter Dennis Rodkin discusses with host Amy Guth, along with the case of a $500 sandwich at a Lakeview condo and other news from the local housing market.Plus: Aon to make $13.4 billion purchase, Magellan puts River North apartment buildings on the market, lender seizes most of Lisle office complex and census numbers show Illinois' population is still shrinking — but there's a shred of good news.Crain's Daily Gist listeners can get 20% off a one-year Crain’s Chicago Business digital subscription by visiting chicagobusiness.com/gist and using code “GIST” at checkout.