We can do basic maintenance... door knobs, paint, ceiling fans, re-wiring an outlet, etc.  

Caution: When you can use the depreciation deduction depends basically on how you handle the Section 469 passive loss limitation stuff. 

Is this a location where people are out all day, and a more basic unit that sort of just as act as a place to sleep and cook simple meals?

First, basic accessibility is not sufficient on its own to exceed unit numbers in RT-3.5 zoning and an ADU is still subject to density restrictions unless your city has its own ADU ordinance or pilot program in effect on your lot.

These days that is basically 62-67 your benefit is reduced if you "EARN WAGES" over the exempt amount (currently $24,480).

That’s basically 34 doors.

If you have a deal under contract, you can post the property photos and basic deal information (no address) and if it's a great deal you'll have 8-10 people asking for more information depending on the area you're in.

So anyway one can pay the  20k and get some basic theoretical knowledge but one should be realistic this is a big cash up front business.. your not going to find consultants doing this work on the come.  100% agree.

@Bo Smith yes I would use a property manager Background: the military gives a basic housing allowance (BAH) that is adjusted each year based on locality.

But we have the same principle, we start with a general home inspection and that gives the buyer the right to schedule follow up inspections that are specific.