1099 NEC

I am an Amazon Vine member and get free items in exchange for honest reviews.  I purposely kept the amount of goods low last year until I know exactly how it will impact my taxes.  I have now done my 2022 taxes and according to my paid TurboTax software, I pay $0 additional taxes until my 1099NEC amount is over $20,000.  It is seemingly impossible for me to have entered this information incorrectly so is it possible that TurboTax has a problem with their calculations?  I am claiming my 1099NEC as sporadic activity / hobby income.