@Kal PaneliyaA contract can be amended before closing with the consent of all parties.

The hardest part is getting that first deal/property!

@Stanley Kong  There are disclaimers on listings.. any item on a listing is subject to second party verification.I really like the big bold one on the Charleston SC MLS system" if square footage is important measure"  this clearly denotes sq. ft. is estimated if you want it exact you need to do your own measuringIn the foreclosure or distressed asset business some of the best deals are when the bank or seller mis states sq ft..

It sounds like the question comes down to if party 'A' keeps the SDIRA and party 'B' stays in the house, there is mostly the '20% difference' to account for. 

I advertise for a buyer for my home, I say, "financing available through third party," but I don't disclose the terms.

I would use a reliable 3rd party property inspector for this which will cost you about $200 - $400 based on the size property.Before doing that, definitely have a local realtor that's representing you look into it.  

There will be extra fee's involved with a third party site aprox  3% surcharge... 

@Joe Belman I get the assigning part I sure exactly how to structure the deal because it wasn't a cash deal and how advertise a property that I didn't own but have interest in

If you love doing it and it doesn't feel like work, you'll be extremely successful it.The hardest part is taking the leap and just doing it.

All parties have good intentions but you will be wiser to start your land lording career with a safer bet.Laws vary from state to state on your rights when sharing your own private property.