I found the self-directed IRA concept by accident.

Good luck I'm sure you and your tenant are thankful nothing more, or anyone else was hurt, accidents do happen.

At the end of the fixed term, a balloon usually occurs so most people would then Refi the loan again.  

It occurs naturally and was mined in Montana and used for attic insulation in the 50s.

Vacancies should only occur when a tenant breaks a lease without notice.. 

I know that mileage for business related travel can be deducted, but what non-business related travel, where business occurs. 

And when closing occurs the property will be in the LLC name.

Roundabout transactionsA roundabout transaction occurs when the IRA owner  structures one or more transactions with the purpose of knowingly or not knowingly making a prohibited transaction.The prohibited transaction rules are further discussed in the following link: https://www.irs.gov/retirement-plans/plan-participant-employee/retirement-topics-prohibited-transactions

So pretty good argument that these conditions would stick under the principle of freedom of contract, regardless of whether the property code would generally lead to a different outcome unless this is deemed contrary to public policy for grown-ups to agree to this (doubt it but maybe tenants are selectively handled under the case law roughly like children in the sense that the average tenant may be deemed by the courts as essentially lacking the capacity to agree to modifications of the security deposit conditions that may disadvantage them).Also, "Abandonment" is a defined term:(3) "Abandonment" occurs when all of the following occur:(a) all occupants have vacated the Property, in Landlord's reasonable judgment;(b) Tenant is in breach of this lease by not timely paying rent; and(c) Landlord has delivered written notice to Tenant, by affixing it to the inside of the main entry door or if the Landlord is prevented from entering the Property by affixing it to the outside of the main entry door, stating that Landlord considers the Property abandoned, and Tenant fails to respond to the affixed notice by the time required in the notice, which will not be less than 2 days from the date the notice is affixed to the main entry door.But as is occasionally the case in this lease, terms are defined but then used in a de-capitalized manner earlier or before, which permits the legalistic argument that the de-capitalized use of the term is broader.

This leaves us with two true ways a profit occurs (1) you collect from the borrower or (2) you collect from the property.The one remedy available to a Mortgagee defined by the security instrument and note is foreclosure.