Best practice is to get quotes from contractors for the repairs.

His lawyer informed me of the sellers goal unintentionally (Its a practical move as a owner financer).

Apparently this is their routine practice with mortgages for rental properties. 

There is a class action lawsuit against the City of Warren, Michigan regarding their practices regarding rental property inspections.

Is it practical to expect to be able to find a landlord that would allow me to sublet it on those days I'm not using it?

I use both QB and QBO in my practice.

Disclaimer: While I’m an attorney licensed to practice in AL, I’m not your attorney.

Thankfully it didn't go that far.An LLC will limit something like this to just the assets of just the one LLC, IF you practice proper separation between you and your LLC (no comingling funds, proper execution of documents etc.).

My next actionable plan for the next 45 days is to study terms, processes and practice analyzing deals.

And just a word on long term pursuit-of-knowledge best practices...Never surround yourself so deeply in one area of inquiry, There are plenty of really intelligent people here, theres no doubt about that - but don't forget that you have to expose yourself to an array of areas.