Investing does need to be approached more like a business than just a simple stock trade.

I BELIEVE you can only exchange the real estate portion of your business.

Especially after doing a reverse image search on David Hausner's profile- it looks like he has set up a fake profile using a stock image: https://tineye.com/search/d70e...

After buying the property, I also still have $12k in stocks that I plan to use as a last resort.

And the truth is, if the investment property was completely passive and you had zero connection with it, such as an arbitrary stock in a mutual fund, then I would agree not to get emotionally attached to any one investment.  

I’d love to hear your thoughts and maybe exchange ideas on how we can leverage these advancements. 

You are a high w2 earner, The house is worth 110k today, you are buying from your grandma for 60k in exchange for free rent for life, upside ARV of 200k.The costs of owning the house will help provide tax relief on your high w2 earnings, you are buying a great chunk of equity that will pay off in the future, and you and your grandma are doing each other solids. 

They have been saying the strategy is pointless / useless, a scam, you could do better putting your money in stocks, you could do the same thing just paying all of your extra income toward the mortgage and using a HELOC as a backup, you're paying opportunity costs and the time value of money, it's not a magic way to save on interest, etc. etc. in circles and mostly refusing to acknowledge very simple points:You get guaranteed "returns" paying your mortgage early if you choose to look at it like you could be using the money elsewhereYou are actually getting free money, not "returns" because you are just changing the timing of your paymentsIf you have money sitting in your checking account, then you are the one who is paying opportunity costsYou might do better in a rental, but you have to save for a down payment, which means more opportunity costs while you saveGetting out of mortgage debt is invaluable - you can't live in stocks and bondsThe HELOC may "charge" the same amount of interest, but doesn't "cost" the same because on the mortgage you are paying interest from the entire balanceIt's more efficient to set up a situation where all of your income can go toward your mortgage and you can still afford to pay your billsEtc. etc. etc. etc. etc. etc.In other words, I've made a perfectly valid argument for the strategy on many fronts and instead of opponents saying something like, "Wow, I really can't see myself doing that, but I can definitely see some of the benefits you're describing

Start building close to home and you'll have such great appreciation by the time you're ready for the cash flow to be $20k a month you can exchange out of the low cash flow, high appreciation California market to wherever you decide to retire. 

It's not just shorter-term downturns to be aware of, real estate just like the stock market can experience 10 year periods of no growth. https://fred.stlouisfed.org/series/csushpinsa