Editing the profile should change across Nostr as it's using your Nostr account. We'll me chaning the shop and profile settings to allow for a disctinct shop profile on the marketplace and social prpfile elsewhere soon, though.

And we'll add multi-region shipping pricing in the next day or so! That's a good base to cover. We've seen sellers often include a base shipping cost in the price and adjust based on where it is being shipped, but that's not as convenient as regional pricing.