I actually thought this year will be quiet - because of the "crisis", and planned to write some articles, books, doing some research and just enjoying "hacking" some cool not-commercial stuff.
Passengers carrying goods of commercial value, samples or articles other than personal belongings.
携带货物、货样以及携带物品超出旅客个人自用行李物品范围者；
3
However, individuals (not including individual industrial and commercial households) are exempted from VAT for selling the waste and used articles of their own.