BOXES...
Which reminds me.
One of my clients befriended a long time acquaintance he had not seen for years, housing and feeding him for a period of months while he got his feet back on the ground. However in the mean time this "guest" withdrew many trains from the host's scores of boxes and sold them for drug money.
So weigh your boxes, and check the contents. Make sure the weight and actual contents of stored stock is real.
The "guest" wound up in government housing for five years.