Today, a weekly look at the local real estate market with Crain's Chicago Business residential real estate reporter Dennis Rodkin that includes a $45,000-per-month rental, the "Empire" mansion and a project to save historic beachfront homes in Indiana Dunes National Park. Plus: New details on where Chicago property taxes are about to soar, Mayor Lightfoot taps Mellody Hobson to run the World Business Chicago board, IlliniCare Health announces plans to improve access to mental health care, Chicago makes gains in higher ed spending and feds probe Trump Tower lender Deutsche Bank over money laundering. Find host @AmyGuth on Twitter and continue the conversation with hashtag #CrainsDailyGist.