Also have made it easy to see if you offered a certain amount, or changed your rehab budget, how that would affect your return. 

It was a deal that was offered to me directly by the owners using owner financing and i took it!

Being that rates are up it's another way to offer exatly what you mentioned; the chance to own for a couple hundred bucks more than renting.Thoughts?

The offering would be at 490 units at $1000 unit

I would take them out to lunch, explain what you want to do and see what guidance they offer.

The article is extremely disturbing for a variety of reasons.

Telling sellers everything wrong with their house and justifying your offer with repair costs doesn’t build trust—it kills it.

Do not offer to pay more rent ever to make the deal happen.   

There’s usually not more than one investor with interest in any parcel so there’s is absolutely no incentive for the investor to pay a “wholesaler’s fee” in this scenario.In the scenario where the land is ready for development, and the economic conditions make development a profitable activity, the land owner has already been approached by the developer or multiple parties with offers to purchase.  

I second @Erik Estrada Chase offers great programs for business, multifamily, and conventional loans for commercial properties.