You can enter self employment income into Online Deluxe but it you have expenses you need to upgrade to Premium which it sounds like you have.
Costs of Goods sold in under the Inventory section. Go back to the start of Business and Edit. Inventory/COGS is a separate section.
Before filing you can preview the 1040 or print the whole return
https://ttlc.intuit.com/community/accessing/help/how-do-i-preview-my-turbotax-online-return-before-f...
