You can arrange the deal however you want .

I wouldn’t proceed with the arrangement without a written contract in place on what they can and cannot do.

Ask realtor to arrange showing.

Quick question for large multi landlords.What kind of arrangement do you typically have with towing companies? 

Any such quid pro quo arrangement would be determined by the IRS to be a transaction between you and your plan, looking through the other person.You said it yourself "get cash out of these IRA's". 

If you get to know some local private lenders and bring them into a few deals that turn out well you might be able to arrange something like that.

That might give you a good idea of the situation you are dealing with, and if you will be to - or willing to arrange for the two of them to sell the property before it reaches auction. 

You would need to arrange these.

You can do it yourself but you want to tread carefullyThe difference is that the IRS gives a lot of extra scrutiny over arrangements like this because it is very easy to create a step transaction and reduce the arms length nature with the unrelated party. 

Have you had this arrangement reviewed and vetted by a tax attorney?