1. What is the difference between a Turbo tax CD, Turbo tax On-Line, and Turbo tax Desktop?? I use the CD in the past, but maybe On-line version more convenient? I don't know, please so advise!
2. Also, I need the Home and Business version, Federal and CA State filings, for 2018, 2019, 2020, and 2021. Where can I purchase all 4 years to complete?? Thank you, Mel Kim, a long term T.T. user
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