After you file

You can "downgrade" but be aware that you'll need to re-enter some data:

Click on My Account in the top menu, and select Clear and Start Over 

Here are some common things that will prompt you to upgrade (having a 1099-MISC should be on the list also):

• Itemized Deductions (Schedule A/1040)- Deluxe, Premier, and Self-Employed
• Capital Gains or Losses (Schedule D) - Premier and Self-Employed
• Rental Income (Schedule E) - Premier and Self-Employed
• Profit or Loss from Business (Schedules C-EZ and C) - Self-Employed