Yes, you can file for a free extension, but the cost of a self-employment tax return will not reduce before the due date of the extended tax return.
You can try to use Free File Edition
While the name is similar to Free Edition, there are no upgrade fees.
To you qualify
Make less than $34,000 a year or
Qualify for the Earned Income Credit or
Active military making less than $66,000
For more information, follow these links: Free File Program and IRS Free File Alliance.
To get started, click here: www.taxfreedom.com.