I was never asked if I wanted to enter any expenses after entering self employment income.

You are posting your question from online Deluxe, which cannot prepare a Schedule C.   In order to prepare a Schedule C you have to upgrade to online Premium---or use any version of the CD/download on a full PC or Mac.

https://ttlc.intuit.com/questions/2902389-why-am-i-paying-self-employment-tax

https://ttlc.intuit.com/questions/1901340-where-do-i-enter-schedule-c

https://ttlc.intuit.com/questions/3398950-what-self-employed-expenses-can-i-deduct

In TurboTax Online, self-employment activity expenses are reported in the Premium version.

To report expenses under Self-employment income and expenses, follow these directions.

• Down the left side of the screen, click Federal.
• Down the left side of the screen, click Wages & Income.
• You may need to click Add more income.
• Scroll down to Self-employment  click on the dropdown menu.
• Click Start/Revisit to the right of Self-employment income and expenses.
• At the screen Your 2023 self-employed work summary, click Edit to the right of the self-employment activity.
• At the next screen, click either Import expense transactions or Add expenses for this work.

@sshteirman1