I was disappointed when I received a letter in the mail from the California Franchise tax board. I became a California resident in 2018 and used my CA address on my 2017 tax return. They sent me a letter stating I have to file a CA state tax return and pay the money I owe from the income I received in 2017. I am self-employed and had no idea that I had to pay taxes since my client was based in California and I lived in Florida at the time. I really wish Turbotax would have asked me or caught that since I had no idea about paying taxes on California source income. I also paid for a Turbotax CPA to review and she didn't tell me that either. I am definitely going to hire an accountant going forward to file my taxes and not personally use Turbotax. I could have filed and paid 2017 CA state taxes in 2018. If you use the wrong Turbotax product you could be screwed as well.
