During that year oregon passed a bill that enabled state wide rent control.

And that's not to say that I don't believe you, but it is to say that the scenario you're citing is A) particularly to residential real estate, and B) mostly enabled by the expansionary monetary regime we've been under for a half century. 

Being that I plan to airbnb the property when I am not there, I want to make sure I am as protected as possible while also enabling as many tax deductions.  

Search for Coliving and Co-Housing and you'll find some companies, Padsplit, Common, Bungalow,  that enable or do this type of thing. 

Send her a conditional purchase offer that enables you to wholesale it and gives you up to 120 days to close. 

I have been looking in to buying 2-4 room appartments, with the purpose of retning out the rooms individually.That both raises the rate which you can take pr square meter, and enables you to let a tenant go without a reason and with 1 months notice.

My mom rented in a community for 7 years before a very modest inheritance enabled her to buy a new car and most of her home (small seller carry on the rest) in the same community in which she rented.

It took a couple of days of back and forth to enable. 

The latter would enable you to then upgrade those units.

Would have been enabling them.