You do not have to "find" the forms when you are using online TurboTax. All of your information is entered via the interview screens. You do not have direct access to the forms or schedules.
If you are entering self-employment income, your business expenses go on a Schedule C.
https://ttlc.intuit.com/turbotax-support/en-us/help-article/import-export-data-files/enter-schedule-...
https://ttlc.intuit.com/turbotax-support/en-us/help-article/payroll-additions-deductions/qualify-qua...
https://ttlc.intuit.com/turbotax-support/en-us/help-article/self-employment-taxes/self-employed-expe...
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
