So there really isn't a right or wrong path to take.And you'd also have to put yourself in the shoes of a potential acquiring company.  

And this property has SERIOUS value-add potential.

I have a partner and he is more so"in charge" in looking a properties and i am mainly focused on taxes, potentially starting and LLC etc.

So when I'm researching a property, if the last deed date was before 2000 then I know I have the potential of equity.

BUT, if you build another structure, all bets are off. 

Does the return now (rental income, asset appreciation, etc) outweigh the potential for rates to slightly drop in the unknown future?

as a wholesaler after assigning contract to end buyer with existing mortgage and they take over, would it be reccomeded if i tell the end buyer about creative financing to another potential buyer

And that's not a sarcastic question, possible answers include but are not limited to...If management/ownership has been lazy and there's a lot of vacancy or below market units, that you can rent out and/or bring up to current market, then maybe you offer a little bit more for that upside potential. 

@Dominique Colas This post looks a bit stale but are you still in the market for potential rental arbitrage properties?

Viability: Is this type of project worth investing in, considering the potential returns and risks associated?