Track all expenses and income on the properties you own and review them regularly and try to cut expenses and increase income.  

The IRA pays for the acquisition and maintenance of any investment asset.It sounds like circling back around to your self-directed IRA provider for a review of the basics would be useful for you.

I just reviewed a brand new duplex for sale there.

By Commercial if they mean they will have to review it as a income producing properity, but you can still get it as a 30 year mortgage (in your name), then yeah... that does not matter, it is their internal paperwork.Figure out what they mean, and while you are waiting, visit other banks.

Review all his processes, systems and books (annual rent roles, expenses) to determine if you can increase occupancy (90->98%), improve the property rents (below market?)

Simply put in the contract that the title has to be merchantable and the purchase is subject to the Buyer reviewing the payoff of all liens.

However, a review of real and personal property tax assessments often results in the identification of opportunities for lower property tax bills.

But as time has passed the importance of reviews have increased exponentially.Just ask yourself would you eat at a restaurant with bad reviews?

I'd definitely qualify...over 800 credit score, rave reviews from my current landlord, etc.

Review lease for 'disturbing other tenants' clause and the seniority of the two combatants  - - longest tenured tenant wins - - *IF* you do have to intervene.