oc, thanks for the kudos, It’s still your theory (2001, et al), I’m just renting it.
Before we get too technical about the income tax deduction, use the rough rules of P&I vs rent. Taxes, insurance, MI, Hoa, water, trash, and all the other ownership expenses are roughly covered by the tax deduction. Compare the P&I by itself to comparable rent.
When the P&I and the rent are close to a draw, the knife is dull.
The deduction is nice but it is not a cure all, a wise man once told me, “Would you rather give $3 dollars to the bank or $1 to the government?”