Since the lease was with both then you need to make the check out to both, to do otherwise would be making a legal determination which is what the domestic court is for, and where they can take their issue to resolve. 

Get pre approved first for conventional so you know if you can use that as an exit strategy but purchase with hard money.

Legally speaking, if you have agreed to an installment sale, I'm not sure if the stepped-up basis is applicable.

Is there any legal guidance suggesting I can or cannot do this?

Here is a reference that explains:https://www.nolo.com/legal-encyclopedia/intestate-succession...2.

Maybe sign your own lease (from Wisconsin Legal Blank, store in Milwaukee or order online) but keep it MTM.Also, a little brokerage 101: when you ask for something in an offer, always make sure it is specific, with a deadline and includes consequences.

You will find many recent posts from investors who have lost all of their syndication investment, and then talk about bringing legal action against the syndicator.

Like most states, Georgia gives you the legal right to enter for inspections, repairs, or showings.

This should not be construed as tax, legal or financial advice.

Selling or Transferring the Deed: Legally, the husband can transfer or sell his ownership interest without needing the wife’s permission, as she is not listed on the deed.