Slippery slope if you ask me, and dangerous if one wants to avoid courtrooms.

However, a lot of concerns can be mitigated with looking at their past rental behavior in a lot of different settings.

Remember, the notion of amassing wealth without investing is a dangerous myth perpetuated by self-proclaimed experts.

Tenants have dog allergies and chronic asthma; the persistent smell and the dog hair found in multiple areas so far are harmful to our health and have, can, and will exacerbate health conditions of tenants.We believe the issues described above present a materially dangerous or hazardous condition to the health and safety of our household.

Purchase the first one cash (to mitigate risk) and the second property with a loan.

Who knows, but what I do know is that they will be cash flow cows when I decide to exit so that helps mitigate that risk.

Quote from @Levi Perl: The purpose of background screening is to determine a level of risk, and then you decide if you can mitigate that risk.How does a DUI conviction from three years ago impact the tenant's ability to pay rent or maintain the property?

I've never felt unsafe, but I hear the danger is mostly around West Rogers Park, and I'm East Rogers Park.

Like anything it has to stay balanced but small gestures go a long way in reducing turnover and mitigating many "would be" issues. 

This approach mitigates risk while leveraging your resources effectively.Looks like your household could qualify as REPS and really offset your taxes if your portfolio is optimized.