TurboTax Online is only good for one return only. Tip: If you're preparing multiple returns for family
members, it's more economical to switch to the TurboTax CD/Download
software, which lets you e-file up to 5 federal returns at no additional
cost.
TurboTax CD/Download: https://ttlc.intuit.com/replies/3302087
TurboTax Online: https://ttlc.intuit.com/replies/3288574
