Based on the responses to buying a house, mommy daddy down payment $$$, and lack of motivation I wouldn't work with them to buy a house.

You want an accountant who can help you strategize and who is responsive when you want to know the consequences of the financial decisions you are making throughout the year.There are over 20 real estate accountants on this site.

Thanks for the response Andrew.

Essentially saying that while I am technically responsible for the debt, history shows I am not paying it. 

Quote from @Andrew Steffens: We have a unified inbox so call channels texts and calls go into our software, and yes to them.Andrew - Thank you for your response.

Lastly, maintaining a positive mindset and staying persistent is crucial.

Hi Ann, like you, when it's my money or my responsibility, I'm a controlling type as well, but where you might walk away only giving suggestions, I sometimes hang around longer....The problem is that if you have say XYZ Mortgage or XYZ Capital Lending as a lendinging entity, making loans, you're considered a lender, not a real estate partner investor.

Sounds more like a legal question IMO you might get a better response in the Legal & Legislation forum.

You could try the angle that the owner was trying to manage too many units before and now that you've taken over legal responsibility for the worst ones, you will make sure things go smoothly. 

It allows you to leverage the property without affecting your credit, but its crucial to fully understand the terms and ensure it aligns with your investment strategy.