That 3% Mortgage Just Keeps Getting Better

Bloomberg, Feb. 24, 2023–Conor Sen
As the Fed pushes interest rates higher, homeowners who secured ultra-cheap loans during the pandemic can invest in low-risk Treasuries that earn enough to significantly offset the cost of their homes.
https://www.bloomberg.com/opinion/articles/2023-02-23/that-3-mortgage-keeps-getting-better-as-interest-rates-rise