And would this be your primary residence indefinitely, or would you be looking to get it off the ground and then move? 

They'd get almost double the equity and have all that time to build up money elsewhere, and not have to live with their parents indefinitely with no way out unless 4 other people agree.

But Larry Kudlow says we might have low interest rates for the next 25 years and the Fed can print more money than ever makes sense and we kick the can down the road and being that the US Treasury is the worlds safe haven the rest of the world will keep putting funds into our mess and drive yields down and mess up bonds and keep things inflated indefinitely until it blows, if it does.

An individual is on qualified official extended duty if for more than 90 days or for an indefinite period, the individual is:At a duty station that's at least 50 miles from his or her main home, orResiding under government orders in government housing.Refer to Publication 523 for more information about this special rule to suspend the 5-year test.

The benefit is I can leverage 80% of the ltv indefinitely at the same rates.

So I don’t mind the extended mortgage, especially if I don’t really care about ever paying it off, more about building a real estate business that funds my expenses indefinitely.

An individual is on qualified official extended duty if for more than 90 days or for an indefinite period, the individual is:At a duty station that's at least 50 miles from his or her main home, orResiding under government orders in government housing.

Once a rent-stabilized tenant moves out or dies the condo unit goes free market... unless they have a family member living with them who ends up protected, then it could end up stabilized indefinitely.

The alternative (waiting for a downturn) could leave you on the sidelines indefinitely.

If you have a cash flowing asset you can hold onto it indefinitely, if you have negative cashflow and are hoping for appreciation you will end up being a forced seller in a down market.