In fact, a good argument can be made to sell #s 3 and 2, pay off #1, keep some reserves, and hire a property manager. 

Two calls to hire someone to manage mowing and snow; and another to manage operations it would truly be Passive.  

If you hire a handyman in the bay area you will probably pay $35-50/hr depending on skill level and the trade involved.This work was done in Richmond, CA. 

Or hire an eviction attorney and wait the time..

If you hired out all the work, you are more likely to get ~$0.50 for each dollar you spent on the ADU assuming 1) in single family zoned area 2) not converted from existing habitat space. 

You can hire a landman to research if you desire. 

I know I could hire a manager acquisitions, but do not have that volume to justify one I think.

if the timber is merch  you should get a mill in there to bid on the timber.. hire a logger.. profit you use to knock the stumps out.your civil engineer should be giving you a preliminary cost to do infrastructure normally they will do these for free since they will be designing it all.. they would be the best bet anyone on line is simply  a WAG  

I hired a GC to manage the build out, but there has been no consensus on who is responsible for the utility payments (Water and Energy). 

If I purchase a short-term rental property and hire a property manager to handle its management, would the income be considered passive under my visa status?