How do I ensure that all transactions from a bank account or credit card are present and accounted for - with no duplicates and no missing records? I can't reconcile.

Hello there, @john155!

You'll have to manually compare all your transactions from your bank statement with what you have in the Transactions menu. This way, you can reconcile them and track your transactions accurately.

Lastly, here's a few articles you can read to learn more about your banking related tasks: Help Article for QuickBooks Self-Employed.

If there's anything else that I can help you with, let me know in the comments. I'll be happy to help.