benwiggy, you can have your cake and eat it to, so to speak. You can copy over without having it linked. Check out my advice from this post:
Copying text frames?
Dorico
I’m assuming you may need to have these duplicated frames on the same page. If you don’t need that, then you can just copy the frame to whatever page you need it to appear on. If you need the flexibility of duplicated frames on the same page, read...