The TurboTax desktop programs come with 5 free federal tax return e-files (set by IRS rules). You can create and complete for filing as many tax returns as needed using the desktop editions, so you can e-file multiple tax returns for yourself and others.
To cancel your Advantage subscription see this TurboTax support FAQ - https://ttlc.intuit.com/questions/1901052-how-do-i-cancel-my-turbotax-advantage-subscription
