What interest rate do you think rich people are getting?
As for the Covid interest rates, those were available to everyone.
Third, we're talking about buying houses, not renting.
Depends how rich. Banks have long been known to offer below market or even zero interest loans to the richer segments in exchange for/in the hope of securing other business from them.
I.e. they'll be paying the market rate one way or another.
Funded, effectively, by you and me, subsidizing this as customers of the same financial institution.
What interest rate do you think rich people are getting?
As for the Covid interest rates, those were available to everyone.
Third, we're talking about buying houses, not renting.