I am unable to enter amount on the Schedule C (Rideshare) -- Schedule C Worksheet: Amount - Misc Exp Other.

Instead of entering on the worksheet, you will need to go into the program and enter it there. 

1. Sign in to TurboTax.
2. Click on the orange Take me to my return button.
3. Type sch c in the search/find bar and click search/find.
4. Click on Jump to sch c.
5. Click on start/edit or Add Another Business.
6. At the Your XXX Business screen:

• To enter your income, scroll down to Business Income. Click Start/Update. Click Start/Update next to General Income.
• To enter your business expenses, scroll down to  Business Expenses, Other Common Business Expenses. Click Start/Edit. 
• Scroll to the bottom of this section to enter Miscellaneous Business Expenses