I suspect I have had some luck combined with screening my tenants well.  

So, the first question they usually ask a PMC is about fees - instead of asking about services and HOW those services are executed.EXAMPLE: PMC states they will handle tenant screening – what does that specifically mean?

Different from a residential tenant, you will need to have an agreement that states their expected conduct, when and how they will remove their tenant, and if you want any screening done in advance for the person(s) staying in the unit.

Tenant Screening: Ensure you find reliable tenants.becoming an Investment-Friendly Real Estate AgentAs you gain experience, and consider becoming a real estate agent focused on investments.

Go to BUILD YOUR TEAM at the top of your screen, and you can search for other MEMBERS or LOCAL MEETUPS.

I use and outside company to screen and it's typically only $45 for me per person and I ask the applicant to pay the fee.

Click on your profile photo on the top right corner of the screen, this will take you to your own profile.

I have no need for the rent collection or tenant screening as this is a function my property manager does for me. 

New laws just make proper screening so much more important.  

I think screening will be your best friend if you go this route to prevent the most headaches. 2) I'd say the biggest problem renting by room is potentially laws about unrelated persons living in same household.