There are too many ways for it to go sideways and only one way for it to work (you stay on good terms with your ex and everything goes perfectly with the house, you split the proceeds fairly when you sell).

Not a suit, a claim for a share of the settlement proceeds.

If you have enough funds to go after another primary I would use those towards that and use the proceeds(if you sold) for another property.

If so, you'll need an attorney to proceed

Use the proceeds to pay off your high-interest HELOC, which will reduce interest costs and improve liquidity.Sell Underperforming Properties: Consider selling properties that don’t cash flow or require significant management.

Keep in mind you have to live in the property at least 12 months to proceed. 

If you get a red card, you can not proceed.

Take proceeds and 1031. 

And the net cash proceeds are what go into your 1031 account.  

She was facing charges but they eventually got dropped and Lee's people fixed everything, got it on the market and she got like $50,000.00 from the sale proceeds.