One of the core principles is that you can't be involved, do anything yourself or pay with your personal money.

That is the core of the problem. 

That's a problem only asset protection can solve.Agreed with @Costin I. on the core issue.

I am trying to create a really compelling marketing package. 

@Olivia Rojas Hey Olivia, we use Buddy Marks - who is very active in the COREE community.

So if you were to invest in Japan, I think tower mansions in the 23 ward core or mult-family is a decent investment, depending on price like any other investment. 

Don't buy in the roughest neighborhood in the urban core.

If you are feeling compelled to buy because the cash flow sounds great, be aware that a 100-yr-old house is going to need steady ongoing maintenance, which you don't seem to have factored in.

At this point its fascInating and I am compelled to know more.

This is born from the industry trying to distinguish a 2001 suburban garden-style class A complex from an urban core mid-rise that just finished construction.