In order to deduct expenses for your business you would either need to use TurboTax online self employed version or TurboTax desktop home and business version.
You would start by letting the program know you have self employment income either 1099-NEC or cash income.
Once the income is entered you will be able to enter your expenses for the business below are a couple of helpful links for you.
https://turbotax.intuit.com/tax-tips/self-employment-taxes/reporting-self-employment-business-income...
https://turbotax.intuit.com/tax-tips/small-business-taxes/taking-business-tax-deductions/L5RueYPVS
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