It doesn't necessarily not work, but you do have more pressure on your margins due to more people being involved making it that much more important to buy at a serious discount, and that is going to be your biggest challenge. 

The custodian of my SDRA just needs a statement of fair market value from a disinterested party, such as a real-estate agent.

That would involve emotions and there is absolutely no place in business for emotions.

I have not consulted an attorney, it's a pretty simple transaction so I didn't think it would be necessary to get an attorney involved to draft an addendum.I'm curious if anyone has any experience in adding these types of contingencies to contracts that protect the buyer all the way up to the closing table?

Purchasing involves combing through perhaps hundreds of candidates over a period of months, creating a short list, visiting properties in person, bidding, hopefully winning one, then managing a rehab, and then interviewing property managers, and then hiring one.

I had an opportunity pop up recently that involved owner financing.

There are a lot of third party services that will do credit and background checks for you.

@Courtney Fricke, I don't reckon there's enough equity for a Wholesaler to get involved.

We connect Freshsales with a 3rd party connector, Zapier, to interact with google sheets for updating back and forth.Freshsales allows you to manage your leads and create campaigns to manage. 

They have seen a lawyer you NEED to get  a lawyer involved immediately for this.