The Premium edition is required if you have any type of investment sale, rental property income and expenses or income and expenses from Self-Employment.
Did you enter this type of income?
If you do not need Live Assist then see this TurboTax support FAQ for how to remove - https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-subscriptions/remove-turbotax-liv...
