TurboTax could be telling you that you are self-employed because you have income in certain boxes on slips. For example, if you have any amount in box 20 or 48 of a T4A, the Canada Revenue Agency (CRA) says that income would be self-employment income.
Or TurboTax can be showing that you are self-employed if you transferred your information from your 2019 tax return.
For more information, please see the TurboTax FAQ: Why did I have to upgrade my TurboTax Online edition?
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