I used to sell and buy on e-bay all the time, now mostly buying through
Amazon. I really hate the "recycled" priority mail envelopes that sellers seem to use from California. I sometimes see "arrived damaged at post office" rubber stamped on those . For shipping I follow one simple rule: If you dropped the boxed item from 5 feet to the floor would it survive? If the answer is yes, then you have packaged the item properly,