Save yourself a lot of time and money get yourself A CAM (Community Association Manager) license and a Realtor's license. 

Forget to add:  Think about getting your CAM license. 

Feel free to shoot me a DM Charlotte and Corby.I am not an expert, but do have experience in Moncton NBThere are some great deals that come up and go fast, while some can easily be created .Cheers,Cam

One person may have stellar credit, no evictions, and no criminal background, while the person they're applying with may have 2 evictions, be a sex offender and have awful credit.

Checkr accesses multiple data sources, including national criminal databases with millions of records, courthouses across all 3,200 counties in the United States, state sex offender registries, the Federal Court PACER system, and state Department of Motor Vehicles.

Someone in my Facebook group shared an awesome resource for remotely monitoring properties. https://www.wyzecam.comObviously you would still need wifi but these are way cheaper than Nest Cams and get great reviews. 

What if he's a registered sex offended?

Tell him Cam sent you ;)Cheers

But it's not protected under the Federal Fair Housing Act.Here's a link to what's protected under the Federal Fair Housing Act:RaceColorNational OriginReligionSexFamilial StatusDisability   Even apartments.com's own Terms of Service don't seem to prohibit what you posted (again, as long as you didn't reference source of income):Compliance with Fair Housing LawsAll Content is subject to federal fair housing laws, which make it illegal to indicate in any advertisement any preference, limitation, or discrimination because of race, color, religion, sex, physical or mental disability, and/or familial status.

What I found was that the thieves cam in through a window and out the door.