Hi there, lablover513-gmai!
You can connect your Etsy account like connecting a bank account or a credit card account to QuickBooks Self-Employed.
Here is an article with steps to walk you through the process: Connect bank and credit card accounts to QuickBooks Self-Employed. The Connect an Etsy account section talks about how your sales taxes and shipping fees are sent to QBSE. The last paragraph also talks about managing your transactions.
If you have other questions in mind, please don't hesitate to go back to his thread. Have a good one!
