I'm hoping to use my Roth to invest in some US RE a) to diversify and b) to get into more lucrative markets.As usual the BP community has been awesome in terms of offering advice, suggestions, and providing a great platform to learn.

I am more unprepared in terms of having my financing options available for a property this scale, but this deal seems too good to pass up!

Inadequate heat is a legitimate issue in terms of habitability, but that has apparently been fixed.

Do you know if you qualify to do that in terms of income?

I plan to give fair and equal treatment to both units in terms of rent raises.

This won't directly answer your question but might (at least) help you in terms areas you can focus on:  set your budget. 

What would either option lead to in terms of achieving that goal?

Really smart guy in terms of these things, he's been doing it his whole life.

So in terms of the deal, I am a bit confused too.  

You can invest in real estate in  million different ways, what a flipper may be looking for would be different than what "buy and hold" investor would be looking for in terms of benchmarks.