I could have kept my single and rented it out, this would have made me eligible to purchase just not with the same power as if I sold.

Not sure how that plays into your current or potential future situation.

Seller financing usually comes into play because of three situations1- Property is not financable (construction defect, hazard, uninsurable, needs extensive rehab, etc.)                                                  

You may want to see if you can find someone (not a friend--they want to make you happy, and you need someone who will be upfront with you instead of telling you what you want to hear)  who would be willing to "role play' with you and give you honest feedback on what might be going on. 

And you can buy a prime PDX inner city property for the same down as you would be spending on a C class multi in other areas.. far better play for someone your age and with a very long term horizon ahead of you

The power of real estate investing and leverage.

Then, once the repairs are made, if you spend more than your initial settlement amount plus your deductible, you can recoup some or all of the depreciation that was initially withheld.Your deductible is always your out-of-pocket expense, so that does come into play, but again, once the repairs are made, gather your receipts to submit to your insurer.

Then you won't be accused of playing favorites.

Not sure where you are here in a city of 2 million HUD homes that go to investors need major work not a single valve .Too many savvy folks play this game now .I have bought 2 HUD homes with cash back when you get a deal on HUD homes fairly easy , I know the game well .The market has changed so I am changing you must or you will wither on the vine .Have a go getter agent now,I am going to start looking this week feels good . 

Location, amenities, and any number of other factors will play into it.Don't be afraid to contact the seller and ask for historical expenses and turnover rates.