Otherwise a HML letter or the POF from an end buyer are prob next best.The generic ones off the internet are generally worthless, as any decent real estate agent will recognize them and disregard your offer.

If you sell with owner financing you will pay recognize the tax as the payments come in. 

Now, if your daughter and her family had been living there for the majority of the last 5 years, the IRS would likely recognize this as a tenant-landlord relationship (even if they werent paying rent) and would basically make the argument that you had turned that parcel into an investment property so you may end up paying long-term capital gains tax on that portion of the sale. 

Propstream hasn’t proven too reliable estimating equity or recent mortgage balance.

I recognize there is no liability protection with that, however i'm not sure if there are tax advantages of doing it that way.

If you consistently analyze properties, it will be much easier to recognize a good deal when it shows up.

Recognizing past errors or issues is a great step.

Good on you for recognizing that you're lucky so far.

Unfortunately for him he recognized he didn’t have enough data points to come to a conclusion on whether debt monetization has occurred. 

If you consistently analyze properties, it will be much easier to recognize a good deal when it shows up.