Actually the online prices are promotional prices----after March 1 they go up.
In mid - January lots of free software becomes available---maybe you qualify:
Try Free File:
You qualify if your income was $39,000 or less, or $72,000 or less if active duty military, or if you qualify for Earned Income Credit
https://ttlc.intuit.com/questions/1900583-what-is-turbotax-free-file-program
Or—-Use this IRS site for other ways to file for free
https://apps.irs.gov/app/freeFile/