Guests, just like those at your personal residence, require all sorts of amenities we don't often think of beyond the heating, cooling, water, waste, electricity and internet that hosts are responsible for.

I thought about renting as three separate rooms, although I've heard that this may lead to more issues, so may not do that.10% Property manager (although, could self manage from out of state)Electric, internet, water, garbage (with water bill)vacant maybe 3 days a month due to how people schedulea few fixes necessaryfurniture/dishes etc.lawninsurancetaxescleaning costsloan/loan closing costsno HOA for this one

Also, when you are calculating returns, don't forget that utilities are in your name, you need to pay for internet and Netflix, paper towels, toilet paper, laundry and cleaning supplies, extra sheets, towels, pillows, etc.  

@Bill SargesonThese are some examples I found on the internet. 

Don't plan your future based on what a bunch of strangers on the internet tell you is the right return. 

What Zip Codes have the largest concentration of older homes in [city, state]?

No you go to the internet right?

Then go, you will learn more in a day then a month sitting on the internet. 

Wholesaler finds motivated sellers through marketing (direct mail, signs, internet ads, door knocking, etc)2.

@Grant StuardMany of them are full of it and it’s easy to say stuff on the internet without having to back it upReal estate is a marathon not a sprint