Also past performance from any investment is not an guarantee of future results as your basically alluding to.

Correct me if I'm wrong but since the Roth IRA has no tax liability, the depreciation deduction is basically lost.

IRC covers many of the basic of NEC. 

Zillow is the basic starting point if you are still struggling to find data.

Just yesterday I talked with a gentleman that was wanting to sell me a six month training going over two lessons a month in buying  apartments.The cost was basically 3k or $250 a session which would not and should not break the bank.

Basically, reversing the approval.

But very unlikely with W2 income and a full time job.But this is an awesome concept as you could basically collect rental income for several years and never be taxed on it due to passive loss carryforwards if those build up. 

It is basically a new house except the roof, which is metal and does not leak).

The barment & clear title is basically what @Rick Baggenstoss described.

I would be looking at basically “house hacking” the office space as there would be 4 designated suites.