Probably not the most common opinion around here, certainly not the sexiest. 

This is all too common and you aren't the first person to be told this...

The Sponsor needing 5 mil for project in addition to the common equity raise, will be in a preferred equity position ahead of common equity and of course behind the Lender with apparently no legal recourse to foreclose property.

Not as common, but negotiable like anything else?

My class C rentals this is a common scenario and I have this situation frequently.

Common fees will include a set-up fee, a leasing fee for each turnover or a lease renewal fee, marking up maintenance, retaining late fees, and more.

It’s common to feel overwhelmed by the various metrics and data available.

The most common scenario around here is to buy SFR, knock it down, and build a multi-family. 

Search a radius and determine what the low/med/high properties are making by bedroom count.3) make note of what the top 5 properties have in common.

Play the 'friend in common' card if possible.Regarding seller financing, I don't see this being a viable option since they are in default on their current loan.If funding could be an issue for you, take a step back and work on that first.