Welcome to the Community, malgal18.
I can certainly understand how an ability to connect eBay stores with QuickBooks could be useful and have submitted a suggestion about it as of today.
You can also submit your own feature requests while signed in.
Here's how:
- Access the Assistant utility.

- Click I need help.

- In your Type something... text box, enter "Feedback".
- Press the Send button.

- Choose Add a feature.

- Use your text box to create the feature request.
- When you're finished, hit Send.
- Select Yes.

Your feedback's definitely valuable to Intuit. It will be reviewed by our Product Development team and considered in future updates. You can stay up-to-date with the latest news about Intuit's products by reviewing our Product Updates webpage.
As a workaround, you can upgrade to a QuickBooks Online subscription and connect eBay with your books.
I'll be here to help if there's any additional questions. Have a wonderful day!