We also know that prior to the industrial revolution that individual wealth was driven by property ownership and that the cost of building a home was far less in real dollars than it is now. 

Check their reviews and interview them prior to handing over a dime.

Yes, there will be limitations of a TN financial institution as I live in CA, and I have read articles about potential tax and filling season issues if you bank outside the state where the business is registered. 

LP is 280,000, ARV is 425,000ish and renovation is about 75 ~ 80 grands (+20 grands for closing cost, first year taxes, reserve etc).

All this profit is obviously tax free after depreciation. 

Thanks, Tax.

State - it depends, you can have real estate transfer tax issues / re assessment issues. 

I want to be prepared talking about tax strategies with my CPA and I have a few questions. 1.Can I take bonus depreciation on the ADU?

He's well into retirement, doesn't need the money, has previously paid the taxes to keep it out of a tax lien sale and just wants to be done with it. 

Would you prefer to join a "communty" to learn about real estate taxes and get half of what you need and pay half price or would you take a complicated tax return to a professional and get proper advice?