Denmark does not have trade-in deals. But between my wife and I, we can get a whole phone free with the trade-ins in the US.
We can also do international shipping and such through forwarding services, and that would eat into the savings, but still do so.
Then there is bands. THey are almost identical, except a few here and there, and I can't find a concrete place to get info on Denmark bands (multiple sources have different info or lack of info).
Is it worth switching out and going through the hassle and getting US pixels, and just deal with the Denmark prices, and try to sell the Pixel 6s we have. It is annoying.