So, you'll want to balance your desire for number of doors against the quality of the neighborhood and the amount of pain required in extracting rent from your tenants.

And while you might be a cash buyer now, down the road you may want to extract equity to grow.

Extract useful economic life out of that asphalt shingle roof.  

My list (extracted from a Joanne Musa source) shows Oregon as a Tax Deed state, not a Tax Lien state. 

Does your first purchase have any value add that you can perform the value add and extract the sweat equity? 

The value add may allow you to extract much of your investment to leverage elsewhere.The value add may increase your cash flow. 

The 50 Class A investors extract their $10k each (10%) for $500k total, first.

And calculates rent/price and gross cap rate, so you can sort by highest returns.All you can extract to excel.

They know moving slow in the beginning to extract all they can is more of a win then going fast into a location to open sooner.An exception to this is an A plus location where a dozen tenants want the space.

I am not a big believer of going through a massive headache to extract an additional 3% upside for rents.