Self-supply can mean many things; on a private level to be self-sufficient in terms of food or on national level to be self-sufficient in terms of energy, etc.

What are the benefits of self-supply? And what are the disadvantages and challenges? In what situations is self-supply a good solution?

Some people see private self-supply as a reaction against consumer culture. In this respect self-supply can be seen as a sort of political or ideological project.  

Keynote speakers on self-supply take a closer look at discussion such as these and more.