How do you pay expense using quickbooks online

Welcome to the Community, @rkbowman50 

I'm here to help you enter expenses into QuickBooks Online. 

Here's how: 

1. Click the + New button.
2. Choose Expense.
3. In the Payee field, specify a vendor.
4. Select the Payment account to which to credit this expense.
5. Enter the date of purchase in the Payment date field and specify the Payment method.
6. Use a description of the expense if you'd like. 
7. Type the amount of the purchase and any Tax paid (if applicable).
8. Click Save and close or Save and new.

If you want to set up bill pay with QuickBooks Online, here's an article that shows you how: Sign up for Online Bill Pay.

I'm here if you have any other questions, reply to this thread. We're always happy to help.