Much like any other investment vehicle is is good to diversify your income streams and help mitigate risk.

This is precisely it. 

I would love to help my kids out (vehicles, college, weddings and etc.), do more travelling (vacations).

I would love to help my kids out (vehicles, college, weddings and etc.), do more travelling (vacations).

We pay taxes on sales, purchases, vehicles, property, ect.. and where does the money go? 

@Kano Wu, building on Scott's comment previously, you need to run a very precise due diligence regarding the SRT regulations, both at Township and HOA level.

Without knowing your precise numbers, it is hard to give a specific example.Happy hunting.

I assume he's planning on paying cash, because no bank or automotive company who finances or leases the car to him is going to approve its use in this purpose since the vehicle is secured asset collateral for the loan. 

@Joshua Morgan so you are overpaying for property A to subsidize property B and using FHA as a vehicle to do that?

@Lane Kawaoka we're doing a live-in flip for the next 3+ years precisely because there are no viable rental properties that would satisfy our cash flow criteria by the time we move.