However if I do a BRRRR I can achieve infinite return by extracting all of my investment.

However, it appears his return could have been greater with more leverage (longer term loans, extracting money from property when it had significant equity to re-leverage, etc).  

Now 3yrs later, the son of the deceased sister who had power of attorney for his mother (she left no will just a supposed request on her death bed that the house be sold) wants to extract the equity out of the house.

While your father-in-law is not considered a disqualified party, you have to ensure there is no direct or indirect benefit to a disqualified party, such as your wife.If for some reason ownership of a property passed from your father-in-law to your wife, you would need to immediately extract the IRA from the transaction.

There usual answer is $5 to $10k Instead of asking themselves "what is the absolute maximum profit I can extract from this deal, while still leaving just enough margin to provide value to the marketplace?"

I want to help him with the down with an established no interest (except for the cost of extracting equity from a property) repayment schedule.Just looking into this, haven't spoke to an attorney or accountant yet.

@Joseph SkatesI'm not sure I clearly understand your question.If your business is collecting waste then you will most likely have a couple of possible revenue streams: a dumping fee you may/may not charge to folks who bring the waste two you;scrap fees you may collect on sale of the various component elements you extract from the electronics.Depending on where you are, there may be a provincial program which will supplement one of those revenue streams (kid of like the tyre levies charges my many/most provinces).  

I own two vacation property rentals outright. The one I have had since 2012 is titled in my LLC and the other I just purchased in July with cash value from my life insurance policy and titled in my name. I wish to p...

Does anyone have any experience with data extraction and interpretation?  

Remember that every 10k increase in NOI, you're getting an extra $125k in property value (using 8% CAP rate) which can be extracted through a later loan.Have you run the numbers without the inhouse manager?