Hello Futhark,
It's great to have you reach out in the Community. I can see the importance of being able to merge your QB Time trial account to a paid account and I'd be glad to steer you in the right direction.
Your time is precious and it's vital you get the support you need with this in a timely manner. Based on what you've described, I'd recommend contacting our QuickBooks Time support team using the details in this link here. One of our specialists will be glad to assist you and make sure you get the resolution you need.
You're more than welcome to reach back if you have other questions, I'm here to assist.