The phrase "deduction threshold" refers to the minimum amount of money you need to spend or earn in order to be eligible for certain deductions or benefits. Full definition
Larger amounts of mortgage interest (meaning larger mortgages used by richer people to buy more expensive houses) are more likely to exceed the standard deduction threshold. (themoneycommando.com)
Interest is still a potential tax deduction, assuming he's above the standard deduction threshold. (money.stackexchange.com)
Premiums for long - term - care insurance count toward the current deduction threshold (10 percent of adjusted gross income) for medical expenses. (cnbc.com)