There are still enough $20-50K markets all over the world, if you're the type who isn't too keen to take on additional debt - and not all of them in warzones.Again, best of luck!

-If not a multi-unit, I’m not keen on a SFR.

You're keen on the idea of flipping, or assignments, I see.

My better half isn't too keen on the idea.

Now, I am keenly interested in duplexes because well economies of scale, so monthly a property should make $1,216.This ($1,216)50 = gives me a purchase price (all-in) of $60,800/.7 = and a home value (ARV) of $86,857.

Keen to see what the others say.

I work in a profession that makes me keenly aware of how "good is good 'til it ain't" ...

If you do off-market acquisition with your own money, that is usually fine, but if you intend on wholesaling, most brokerages will not be too keen on it as you are losing them commission.

There are many less experienced appraisers out there, but the appraisal apprenticing process is doubtless the most stringent in the real estate process, so I wouldn't throw any more $ at it trying pull a different slot machine lever, but rather I'd interact with the appraiser and if that doesn't work, you can speak with the lender and share with them why you think the appraiser's report is un-reliable or fails to affect reality.I hope that is useful guidance, Les :) 

Keen to connect, don't be shy!