Generally speaking, you can deduct home mortgage interest on the first $750,000 ($375,000 if married filing separately) of indebtedness, which alone can be way more than the standard deduction. The capped SALT deduction only adds to this potentially gigantic itemized deduction. Does that make sense? SALT alone won’t make itemized deductions worth it; it’s SALT plus other deductions, mostly the mortgage-interest deduction.