But further concern for me was that interest rates (which for a US resident doing an investment loan without the other methods available in the USA, is high) the interest rate is higher for a nonresident.

Now, finding properties that are deeply discounted enough where this method can be applied is going to be the more difficult task.

Looking for effective operator due diligence / risk mitigation methods

One convenient method is to visit investorlift.com, where you'll likely find numerous wholesalers listed on a single platform.

@Tabb PittYou should get atleast 25% down and charge atleast 9% interest as you can get 9% all day long private lendingThis will essentially kill the deal for any qualified borrower so you will end up with non qualified borrowers who most likely will default in 3 yearsJust sell it traditional method

Background: I have typically done the BRRR method.

This is the simplest method, but it also means your tenants are more likely to abuse the utilities by leaving windows open with the heat or A/C running, leaving lights on, ignoring the toilet that constantly flushes on its own, etc.3.

They are extremely difficult for advanced athletes and all have deadly consequences for mistakes. 

You are blending 2 income methods.

Another method I gain unlisted leads is by talking to the neighbors of every house I rehab.