I can only find a business expense for w-2. We have business expenses for 1099 however.
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
1099-NEC is self-employment income, so you can deduct self-employment expenses. Use this TurboTax FAQ for instructions to enter those expenses.
What self-employed expenses can I deduct?
Follow these instructions to enter a 1099-NEC and/or 1099-MISC form.