Start with smaller properties before moving to larger complexes.

If you're mentioning Agency, I'm assuming it's a smaller apartment complex.   

However, navigating the legal and financial complexities of Subto deals requires careful attention, so I’d recommend working with a real estate attorney to ensure everything is structured correctly.Securing private money for the closing is a smart move, but ensure your terms allow for flexibility in case of unexpected repairs or delays in cash flow.

THe turnkey company's answer: our property mgmt company is doing daily complex algorithms and they have the best information here.

It looks like a single complex but it is actually two different parcels.  

I found an ad for the complex for vacant units at $875.

Not large complexes.

I have 3 apartment complexes and over 600 units?

We want to take the complexity out of this decision making process in order to support cost control and finding monetization opportunities for properties that have fully electrified. 

Straight am doesn't add that much more for you while IO adds a level of complexity and seller convincing that's unnecessary.