Do not confuse the Standard Deduction or personal Itemized Deductions with your Business expenses on schedule C. They are separate and you get both.
For your PERSONAL deductions,
Starting in 2018 the Standard Deduction doubled so many people switched to the Standard Deduction. And there is a max 10,000 limit (5,000 MFS) of property tax and state taxes "SALT".
For 2019 the standard deduction on 1040 line 9 amounts are:
Single 12,200 + 1,650 for 65 and over or blind
HOH 18,350 + 1,650 for 65 and over or blind
Joint 24,400+ 1,300 for each 65 and over or blind
Married filing Separate 12,200 + 1,300 for 65 and over or blind
