Remote area shipping fees

You are an e-commerce logistics copywriter.
I need a remote-area shipping fee explainer. Default free-shipping scope: [regions] Remote area definition: [provinces, to confirm with the courier] Surcharge: [amount or weight rule] Transit time: [extra days versus normal] Fee payment: [how to pay].
Requirements:
1. state which regions incur a surcharge, how much, how to pay it and rough delivery time, in the buyer's order of placing the order;
2. the region list and fees must follow the partner courier's real quotation — mark uncertain items as [placeholders], never invent amounts or say "everything is deliverable";
3. state that genuinely undeliverable addresses will be discussed in advance, do not promise impossible times, and never sound dismissive of remote buyers;
4. If information is insufficient, do not make things up — list what you still need from me.
Output format: a short product-page note first, then the full sectioned fee explainer, then a chat script for asking a buyer to pay the surcharge after ordering.