Hi there! Sorry to hear you're having trouble checking stock at your store and ordering online through the Tractor Supply app or website. I'd like to help you get this sorted out.

To start, could you tell me a bit more about the issue? For example:
- Are you using the Tractor Supply app on your Mac, or the website in a browser?
- When you try to check stock, do you get an error message or just no results?
- What happens when you attempt to place an order online?
- Have you successfully ordered before on this device and OS (macOS 10.15.7)?
- Any recent changes like updates or password resets?

Meanwhile, here are a few steps we can try together:

1. Clear browser cache (if using a web browser):
- In Safari or Chrome on your Mac, go to settings and clear cache and cookies. Sometimes old data can cause problems.

2. Log out and back into your Tractor Supply account to refresh session data.

3. If using the app, try closing it completely and reopening. If the problem persists, uninstall and reinstall the app to clear corrupted data.

4. Confirm your store location is correctly set in the app or website. The stock check is location-specific.

5. Try placing an order for a different item or with in-store pickup to see if the ordering issue is item or payment specific.

6. Check your internet connection is stable—sometimes network issues can prevent stock updates or orders.

If none of these solve the problem, we can dive deeper such as checking your account status or if there is a known system outage affecting online orders.

Let me know what you tried and any details from the points above, and we’ll take it from there! Are you on the app or website right now?