One solution could be a Debt Service Coverage Ratio (DSCR) loan.

Loan: 20% down, $4,038/month PITI.

If you are worried about out of pocket costs, see if maybe a rehab loan is an option to get everything needed done now and refinance in 3 months when everything is complete.

Alternatively, your sibling might use a 1031 exchange to defer taxes by reinvesting in like-kind properties, though this doesn't directly fund a primary residence.Other ideas include leveraging a HELOC on the rental properties for the down payment, taking out a 401(k) loan, structuring an owner-financed agreement, or a lease-to-own arrangement.

Real numbers- purchase 907k,rehab , closing costs, soft costs, 840k, all in 1.747 mil, basis for each unit should be roughly 291kappraisal of each unit minimum 400k , so 2.4 mil if for all 6.I might refi only 4 out of 6, that will cover initial loan amount.

If I find a deal on an area I would consider living when I move back I would like to be able to pull the trigger and possibly refinance into an owner-occupier loan once I move back to the US.  

There’s not a ton of margin to play with these days when you’re financing everything on a flip on hard money loans.  

Loan: Bank Statement, $5,500/month PITI.

And you have to pay PMI for the life of the loan.

No off-street parking = not worth doing MTR unless it meets all of the following: super urban area where no parking is the norm, highly desirable area with a ton of MTR demand, super safe part of the city, and has great public transportation (think NYC, Hoboken NJ, etc.)Unless it meets all of the criteria above, I pass on those opportunities because my MTR will be eliminating the many people that travel with their vehicles.