Retirement tax questions

If you have the Home & Business version it is only listed under Business. 

Go to Business tab- then Continue
Choose Jump to Full List -or I'll choose what I work on

Then…..
Business Income and Expenses - Click the Start or Update button

If you haven't added a business yet you have to go though a lot of screens describing your business. Or if you already added your business, you should see the Business Summary page that lists your businesses, (right below the list you can Add Another Business)

Then click EDIT by the business name and the next screen should be a list of topics,
Business Profile, Income, Inventory/Cost of Goods Sold, Expenses, Assets, and Final Details last.

Click Start or Update by Business Income