Hello, @jo-lee. Thank you for the detailed information about your concern about recording personal expenses from an account through a vendor that was set up as a bill in QuickBooks Online (QBO). We're here to help you.

We understand the importance of tracking your sales and expense transactions in QBO to keep your account accurate. 

Initially, we want to let you know that we don't propose mixing business and personal expenses. That way, you can go over your business flawlessly. However, there will be times when we can't prevent it from happening. So, if that time comes, we can follow the process below to handle it in QuickBooks Online (QBO).

In this case, we're going to create a journal entry to record the business expenses you paid for with personal funds. After that, we can choose a way to reimburse it, either to record it by checks or expense. When doing the process, we suggest consulting with your accountant or a QuickBooks Certified ProAdvisor to guide you through the process to ensure the accuracy of your account since they know what's best for your business.

To create a Journal entry, here's how:

1. Click + New and choose Journal Entry.
2. Select the expense account for the purchase.
3. Enter the purchase amount in the Debits column.
4. Next, select Partner's equity or Owner's equity.
5. Enter the same purchase amount in the Credits column.
6. Then,  Save and close.

For the reimbursement using a check:

1. Click + New and select the Check.
2. Choose a bank account to use to reimburse the personal funds.
3. From the Category column, select Partner's equity or Owner's equity.
4. Type the amount to reimburse.
5. Then select Save and Close or Save and New.

But if you want to reimburse using expenses, refer to this article for additional details: Pay for business expenses with personal funds.

Additionally, you may visit this article for future reference in managing your account in QBO:

• Reconcile an Account in QuickBooks Online
• Learn the reconcile workflow in QuickBooks

Let us know if you need anything else related to QuickBooks, @jo-lee. We are always happy to lend a hand to you. Take care always, and have a great business!