Always trust your pre-determined screening criteria.

The basics of this type of asset protection trust allows the beneficiaries access to assets in the Trust for their benefit unless an "Event of Duress" occurs. this means any action or activity that threatens the Trust assets. a lawsuit.When a lawsuit happens, a secondary set of rules that are predetermined called 'triggering events' in the trust are activated so that legally the creditor and the courts are blocked from any access to the Trust assets.

There is some risk of course in a rising interest rate environment so it's not uncommon to purchase a hedge with the lender that allows an option to lock at a fixed predetermined rate within some specific time during the loan term just in case interest rates accelerate higher than expected.

I do this kind of thing at a predetermined hourly rate.

Include an option to buy out there shares of the deal in the future at a predetermined price or at current appraised market value.Good luck, I hope it can be salvaged.

Having pre-determined benchmarks for payment. 

Finally, the money leftover is split based on your predetermined agreement with your investors.

You've already made up your mind...you just haven't proven your predetermined conclusion yet. 

But you can withdraw up to the full amount at a predetermined interest rate if and when you need the funds for a specific investment property. 

Could you not setup a contract so that upon the current owners passing you buy the home at predetermined price, minus any payments that you made to the owner before they expired?