After several very unexplainable accidents that resulted in trips to hospital emergency rooms I finally learned my lesson and stopped inviting friends to ride with us in the desert.We've had several unexplainable accidents where guests were riding quad runners at less than 20 mph and for no reason rolled the quads and broke their collar bones.

Emerging technology? 

If there is any domestic violence you can expedite the eviction and perform an emergency lockout.As always, consult a local attorney who is familiar with the most recent laws and regulations on this subject. 

It is almost completely booked through winter so it is a steady income for him.He treated us like family during our stay and also with a dental emergency by getting us an appointment with the best dentist in Dubrovnik on their day off!  

@Charles Soper To your excellent list of data-driven reports, I'll add the PwC Annual Emerging Trends in Real Estate.

The only question is what happens if the guest has a maintenance emergency such as electricity going out. 

I could go in to much more detail, but there are so many "investors" who refuse to allow their PM to properly maintain their property, which creates defered maintence and then they blame the PM when the tenants have had enough or there's suddenly a capex emergency. 

For our basement unit we only have two but that is because we do the laundry right away as we live above so there is always a spare in case of an emergency.

If you want to house hack make sure it cash flows when you move out, you can afford your portion of the payment after rental income, that it's in a good area, and you have an emergency fund ready and you'll do fine!

I had to call someone else to do an emergency pool cleaning or the next guests would not be happy.