About 95% of the world's population live outside the US so why don't small businesses engage in global trade?

First of
all, there are many small businesses that do engage in global trade.  There are, for example,
hay farmers in my area that sell their products to places like Japan.  However, it is true that
small businesses are less likely to engage in international trade.  The reason for this is that
there are serious costs involved in such trade.

In order to engage
in...