They have left so many people in terrible financial situations due to dishonesty and if you got involved in an investment with them like I did it will be one of your biggest regrets.

Because buying a house in excellent condition and then totally changing the layout can be expensive, especially if it's involving load supporting walls. 

Whether it's considered an arm's length transaction is debatable, but it's not illegal.Move forward with the sale and ensure full transparency with all involved parties, including your CPA.

And yes, he is still involved in one project from Financial Attunement.

For example, you might agree to a 70/30 or 60/40 split, depending on his level of involvement.

I am reaching out for your expertise regarding a situation involving a seller from who I purchased a property subto an FHA loan in March of last year.

It's wise to verify the credentials of anyone involved in a significant financial transaction, especially if they are requesting proprietary financials.

@Geoff Engel If you don't want to be a landlord but still want to be involved with investing you could be a private money lender for flips or in partnerships and bring the money to the deal.

Of course, every owner's situation is unique and factors like the legal entity involved, purchase date, adequate passive income that can be offset with the cost segregation study, etc., will need to be considered.

“How” they live together is more involved.