Are returns just split proportionally according to how much each party invested? 

In any disputed court action where the court resolves the dispute and determines the prevailing party, the court shall also award to the prevailing party its reasonable attorneys’ fees and costs and the non-prevailing party shall be liable to the prevailing party for payment of any court awarded attorneys’ fees and costs.

Before any mediated settlement is binding, the parties to the dispute must agree to the settlement, in writing.

Normally the escrow agent will want mutual sign off even if its clear the contract terms indicate one party should be awarded the escrow funds.

Quote from @Pat Mulligan: Quote from @John Underwood: Nothing that paying for a 3rd party app to automate functions will fix.What apps do you use?

Ultimately being a win win for both parties. 

I frequently see where one party is awarded the property and debt and is mandated to sell or refinance it within a certain timeframe to have the other party removed from the note/mortgage.

., the 2006 or 2009 IECC — International Energy Conservation Code).Cost Considerations for a 90-unit or 112-unit Project:The actual cost of qualifying for the 45L tax credit depends on various factors, including:Energy Efficiency Compliance: The primary cost will come from ensuring that each unit meets the required energy efficiency standards, which typically involve energy modeling, certification from third-party energy raters, and potentially upgrading insulation, HVAC systems, windows, and other components of the building to meet the necessary performance levels.Energy Modeling: Typically, you'll need to pay for an energy consultant or engineer to model the building's energy performance and ensure it qualifies for the credit.

From a tax standpoint, there are additional disclosures to make when selling a business asset for less than fair market value to a related third party. 

The tenant understands that the property of the Tenant is not insured by the landlord for damage or loss of any kind (action of third party, fire, water, theft, vandalism, storm, heat or cold, electrical damage, pests, mold, accident, etc.), and the Landlord assumes no liability for such loss.