The Housing Authority, in my opinion, wants to control the process by requiring inspection, a 30-day time frame to inspect thus you lose 1-month rent while you wait for them to approve your property.

How important is it to have an on-site management (it would be around 150 units facility, if that matters, with a few temperature controlled units) ?

For reasons out of my control I can't actually live in the duplex.

ValuePenguin is a good source for the relative cost of insurance by state.Operational Costs - Costs like property taxes, insurance cost, state income taxes, regulatory costs (ex: time and cost to evict), inspections, rent control, etc., have a tremendous impact on your return.

In many cases, the items listed in the report are FYI's and nothing more.The two most important jobs a property manager has are finding a good tenant and controlling costs.

Generally speaking, most people prefer gas as it's more efficient and most people prefer to cook with gas for better temp control.

Passive investors do not have control of the asset, but, depending on the deal, they receive cash flow, tax benefits, depreciation benefits, and a more "hands-off" way of investing in multifamily real estate.

Also, suing a parent company is deferent then suing a child company. 

Even though it may be out of your control how fast that generator gest fixed, it is your responsibility.

As @Joe Splitrock mentioned, you are giving up control & profits, so the partnership should be something where there is mutual value add happening where you are stronger together in the business venture or deal than separate.