It's also more cost-effective, if you have a good lead screening program in place.

I was thinking of sending them a PDF flyer of something along the lines of "How to screen a tenant", "First time homeowners must do for the first 60 days", "what to expect from your first multi-family property", but i feel that might be a bit to simple.

Run a credit/screening report on yourself.

its guaranteed. 100% irrelevantHUD Does Not Pay Security Deposits Those that do not have the SD you are not renting to, it's all about screening.

I bought a 2-unit property and now in the process of screening tenants.

You can also ask your co-workers where they are investing passively as they may have already screened syndicators or JV operators you can lean on. 

Surveys are my area of expertise ;)Ultimately, I tend to agree with you that allowing pets, with specific guidelines and screening criteria for good pet owners, will often yield greater occupancy thus allowing you to increase rates.

What else would you screen to prevent this from happening?

And let me reiterate that their window is quite literally looking into my backyard and into my house if I leave the door open for the screen door.

So, I added #2 just like a mortgage lender would do to screen for that.