If so, as @Brandon Weis mentioned, they come in all "shapes & sizes".You'll get more assistance if you post an example here and ask more specific questions about it:)

What are some companies that others are using to insure multi-families of this size?

You typically need up to two years of stable employment before a bank will loan to you.

As for why the US, simple - trust, market size, and access to information.

Only invest in cities with significant and sustained population growth.Lasts throughout your lifetime: For your rental income to last, your tenants must remain employed at similar wages.

.- Plan: apply this rate to pass-through and self-employment business income.

A good friend of mine, managed a similar transaction last year: he merged several single-family homes around Florida and exchanged them for a mid-size apartment complex in Chicago.

Depends on the size of the job, but I am a big fan of a draw schedule where the first draw is after the demo phase. 

The peer to peer lending platforms as well as the real estate crowdfunding platforms are not having their investments chosen by Warren Buffet, or for that matter any money/investment manager employed by the big pension funds, endowments or ultra wealthy individuals that RDPD is always alluding to.  

there is no such thing as a one size fits allsome may want to venture/partner with you in the acquisition, rehab, stabilization, and sale/refi and for this should see higher returns.others might want nothing to do with you but buying and 100% owning the "turnkey" investment based on their DD and underwriting.As an LP my thesis will be different from other LPs.