Hey , yea thinking more on this, having other positions would be a tough sell.My strategy for substitution of collateral is to get better debt terms on an investment I want to buy.Ex.

If the floating rate debt starts costing too much and there is no capital to replace a rate cap, reserves run out.  

Eliminate debt, establish a budget, and save.

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.

I immediately got home and created a laminated note about the unique local bakery, which bakes the best croissant I have ever tasted, including the croissant I had in Paris, just around the corner of the Airbnb listing.

House hacking is financially a no-brainer and no city in the US (including Chicago) has more duplexes than Milwaukee.

And thats not including how long it takes.

The UAE market has continued to evolve, with various Emirates offering unique investment opportunities.Currently, we have a diverse portfolio of projects, including fish farming, stone trading, construction, and more.

They have made major sacrifices and in most instances they have sunk fortunes into their portfolio to pay down the debt. 

I have 880 credit score, decent savings, and no other debt except for 300K mortgage on my primary residence (worth $1.5 million).