Newbie investing in Chicago rental

[Shirlin Yiu]

Hi everyone!  I'm new to real estate investing and really glad I stumble upon Bigger Pockets.

My goal is invest in rentals that cash flow and provide passive income.   My local market (San Francisco / Bay Area) is way too expensive now so the cash flow math doesn't really work and I'm looking at out of state investments.  One of the areas I'm doing more research on is Chicago, both downtown and suburbs.  Reason for choosing Chicago is because I've spend a few years there so I'm familiar with the neighbourhoods.  

Does anyone have any experience or tips around rental investments in that area?  Would love to hear any tips or advice for a newbie like myself starting out!  Thanks!