99% of borrowers have a mortgage rate lower than 6%
fortune.com
fortune.com
In Aus & NZ, even “fixed” rates are only for a few years (3-5 I think).
The fee would be so large it wouldn’t be worth it, because it would cost the same as traditional refinancing at prevailing rates, there’s no way around refinancing in this scenario.
Another friend years ago did a 1031 Exchange.