My advice if you are shipping a long distance, first make sure that the seller is packaging them better then how they came from the manufacturer! Second send them by airfreight the fastest way possible so that they don;t get a chance to get bounced around on a truck for several days. It may cost a few bucks more but very much worth it. You should also open an account in your name and have the seller use your account to ship the item that way the insurance claim is in your name and not theirs.
Happy Listening.
Happy Listening.