Just a thought. Recently I came across an article where its stated the long term USA housing loan rates are now at 6.7%. A quick search online shows the best mortgage rates in USA is 6.4%.

Looking back to Singapore, banks are offering fixed rates of 3.75% which subsequently floats to 0.8% + SORA (which totals 4.6%).

With online allowing for the ease in transfer of money between countries. why don't overseas property owners in USA utilise Singapore denomiated interest loans, change back to their local currency to finance their home loans? Netting the one way FX exchange (0.2%), it is 1.7% in interest saved per year.

FX Risk of Borrowing in SGD to Finance US Purchase?

Readers may be quick to point out a reason is the foreign currency risk where the Singapore Dollar may appreciate more than 1.7% annually. Let's put it to the test. 

Here is the