Depends on the country I guess. Mortgage interest in AU is not tax deductible unless it's an investment (ie. owner-occupiers don't get a deduction). Consumption

Depends on the country I guess. Mortgage interest in AU is not tax deductible unless it's an investment (ie. owner-occupiers don't get a deduction). Consumption is not generally tax deductible, was my understanding (and living in a house is basically consumption)