This is the American Dream in action.....I've had more than one 'business failure' turn out to be a good thing. 

That can be solved.That said, the idea of having collateral to secure the loan will always be present, therefore having to encumber and un-encumber said collateral will always be needed in some fashion.  

PO Box in a strip mall somewhere.I think I have just watched too many episodes of American Greed ;)

You then can deploy the capital into transactions directly via the legal entity without need for custodian interactions.If you are self-employed and have no full time employees, there is an option for a Solo 401(k) that also provides checkbook control.As to your "trustworthy" comment, be advised that all IRA custodians are regulated in the same fashion. 

If you and your wife are more comfortable buying rentals outright in the Dave Ramsey fashion, you’ll likely be able to save up for the next one faster or at least a down payment for the next one faster.

We use American IRA and have had a great experience.

I like to recommend folks watch the american greed episode if they can get it on Remington financial and or google Ingrid Bergman  .. this is an eye opener on pump and dump up front fee rackets.

The average young person doesn’t view home ownership as their American dream anymore and most of them can’t qualify for a mortgage anyways .

I thought the same thing with our constitutional right as Americans to keep and bear arms shall not be infringed under the 2nd amendment. 

You could fashion the next one like a live-in flip/house hack hybrid which would give you renovation experience for future BRRRRs and it would be less out of pocket.