I have personally stayed in one of these places where the main house is separated, and only the basement space which has a walkout entrance, its own kitchen, and two bathrooms would be rented out an Airbnb.

It could certainly be a concern - but depends on a lot of factors - are you looking multi or SFR? 

I invest locally and invest out of state, and the main issue for most is the shiny diamond syndrome providing you the reasons why investing (insert area here) is the best place. 

OJs main asset shield was his primary residence in Florida, which has unlimited homestead protection.

Miami/ Coral Gables, even worse. 1500 1700 brick houses without a garage on main roads (Byrd ave for example) 1.5 MILL is just nuts.

Yes, its mainly ordinary income from interest payments.

That is something that is growing due to the limitations of STR.MTR is something that will help you but you will have to be a bit flexible in the times that you are planning to come in.Management is cheaper than STR, but you have to consider other factors such as close to places where those MTR are in need.

Personally, I've had success in Linden, Southern Orchards, South of Main, Driving Park, and Franklinton to name a few neighborhoods in Columbus. 

That’s the very simplified version but raising capital is always your biggest limiting factor so the more investors you can connect with the better. 

Does price per square ft factor or is it just ARV.