There are also a couple of websites devoted to this very tenant base--gosection8.com comes to mind.

Partly my fault for not doing more research however, to my surprise our sub par school district schools tend to devote more individualized attention to the children in my opinion.

Bottom line, it comes down to how active you want/can to be with your investments and what returns it will produce based on your time devoted to this business.Here're a few articles on the topic for you:https://www.biggerpockets.com/member-blogs/10850/84064-what-type-of-investor-to-be-when-i-grow-up-active-or-passivhttps://www.biggerpockets.com/member-blogs/10850/85836-should-i-buy-a-turn-key-property-or-invest-in-a-syndication

More obviously would provide extra cushion so that's by no means a ceiling target.I have up to $100k liquid to devote to this and want to stretch it as far as I can.

if you are paycheck to paycheck then you work 8hrs, sleep 6, and the rest is devoted to whatever your goal is    There are no shortcuts! 

It has a detached ADU (with a legal permit) but only half of the ADU was constructed with the remaining half devoted to parking for the garage.

We could theoretically go much higher if we weren't handling the maintenance, but the nature of maintenance in properties like these is that I ALWAYS have to be available, and when the hammer comes down I have to be able to devote many hours to a problem at once, often at a moment's notice.

The former owner also stored cars during the winter, so I'll likely devote a floor to that. 

How much time can you devote?

If you have time to devote you can make the numbers work some places, but you really have to go there and spend time, develop relationships, get to know brokers....it's a ton of work and a ton of travel.