Where do I enter my expenses?
Enter materials and parts under Supplies.
You can enter 1099NEC or cash Self Employment Income into Online Deluxe but if you have any expenses you will have to upgrade to the Premium version.
Where to enter expenses in the Online Premium version
https://ttlc.intuit.com/turbotax-support/en-us/help-article/import-export-data-files/enter-self-employment-business-expenses-like-home/L1k6HJY4A_US_en_US