If seller is willing only way to drop cost of customs is to have the shipper mark it as broken/faulty. Will absolutely not work at all times.
Edit: or go in person or have someone who is traveling from seller’s country to yours bring it and not declare on customs forms. Also not 100% effective. This is also known as smuggling. For small personal tech items, almost certainly no major repercussions or difficulty. Your milage may vary.
His application for continuation of life has been denied, sadly the decision is final, and there is no appeals process in place at this time…