Thanks for your interest in QuickBoks Self-Employed (QBSE), Brakey,
Let me help share information on how to avail the discounted price in QBSE.
To avail the promotional price in QBSE, you may need to subscribe right away without availing the Trial. However, if you're on a Trial Subscription, you may need to resubscribe for Paid Subscription within 12 days of your trial period.
For more information about QBSE pricing, you can check out this link: https://quickbooks.intuit.com/uk/self-employed/.
If you have further questions concerning QBSE, please let me know. I'm always here to help. Have a great day!