Postal service: International Shipping Cost • English Conversation Questions

What factors determine the cost of shipping items internationally?
Are there different pricing structures based on the weight or dimensions of the package?
Does the destination country affect the shipping cost? If so, how?
Are there any additional charges or fees associated with international shipping?
Can you provide an estimate of the average cost to ship a small package internationally?
Are there any discounts or special rates available for frequent international shippers?
Do different shipping methods (e.g., air mail, surface mail) have varying costs?
Are there any restrictions or regulations that may impact the shipping cost of certain items?
Is insurance included in the shipping cost, or is it an additional fee?
How can customers compare and choose the most cost-effective shipping option for their needs?
Are there any ways to reduce international shipping costs, such as using flat-rate boxes?