Question: how do deductions work on 1099?
Answer: #1 Car expenses and mileage. Of all deductions available to contractors, mileage and car expenses can provide one of the most sizable write offs. ... 
#2 Home office expenses. ... 
#3 Supplies. ... 
#4 Health insurance premiums. ... 
#5 Continuing education. ... 
#6 Cell phone. ... 
#7 Travel. ... 
#8 Parking.