As the OP mentioned, he’s got a 60-day return window. If he does look for advice on a DAC upgrade after keeping the N200, it would mean that he has not only found value in the improvement the N200 made, and it is eye-opening enough for him to be curious and explore the potential of what other DACs may bring to continue the path to improvement.
If the streamer is not worth keeping, he’ll send it back and maybe try something different (maybe not even another streamer). Either way, there will be first hand learning and experience gained in the works, which makes it worth the effort.
We often frown at the idea of continued investment, but these are the types of moments that can also make this hobby quite exciting and fun!