How do I add my expenses as a licensed life insurance agent with no income yet?

Yes. 

HOW TO ENTER without a 1099-MIsc 

You can enter the words, "self employed income" in the search bar and click FIND.

When asked "Did you have any self-employment income or expenses?" select Yes

You'll see the screen titled "Tell us the type of self-employment work you do." Enter your description, then Continue

On the next screen "Let's get income for [description]" select the button Additional income. Includes 1099-K, check/cash payments and Continue 

The next screen will say "Tell us about additional income for your [description] work." List descriptions and amounts on this screen