Can I enter expenses without connecting them to a bank account?

Yes, you can enter expenses without connecting them to a bank, anthony16.

Please follow these steps on how to record them:

1. Click the Plus icon in the upper-right hand corner, then select Expense.
2. Select Cash on hand in the Payment account field.
3. If you haven't created a Cash on hand account, select Add new.
4. Select Cash at bank and in hand in the Account Type, then select Cash on hand in the Detail Type.
5. Enter the name of the account and click Save and close.
6. Enter all other details such as the Payee, Payment date, Category, and Amount.
7. Click Save and close.

Here's an article about managing expenses in QBO: How To Enter, Edit, Or Delete Expenses.

Let me know if you need anything else.