Can anyone tell me how to get Quickbooks online refund me my purchase money?

Hi nitecapt. Depending on how long you had you subscription when you cancel it you will receive a prorated refund. Here's how to cancel your subscription:

1. Go to the Gear icon and choose Account and Settings.
2. Select Billing & Subscription.
3. In the QuickBooks section, click Cancel.
4. Click Continue to Cancel, then Continue to Cancel again.
5. Answer the short survey, then Click Confirm Cancel.

This article may help you as well it's just a quick guide as well on cancelling a QuickBook Online subscription.