The shipping cost for all items in my ads is standardized. The cost of delivery is calculated depending on the product category, including the size of the offer accepted from the buyer. At the time you send me an offer, you can view the shipping amount and adjust the purchase price. The shipping cost does not change after I accept your offer. Courier delivery in the sender's country guarantees reliable packaging, the correctness of the buyer's data and tracking of the parcel. the responsibility for the reliability of the shipment lies with the seller. all this ensures the correct choice of the postal service. in case of loss of the parcel, all responsibility lies with the seller and the buyer receives compensation. my experience is reliable and safe parcel delivery. The seller is responsible to the buyer for ensuring that the goods are delivered on time and in proper form. I appreciate your understanding and hope that this information will shed light on why my shipping costs are structured in this way.