One of my favourite Youtube channels at the moment is a guy who opens, and attempts to eat, very old ration packs. And he recently did a review of a new range of long shelf life camping meals.

I didn't really know who the target audience for those meals was, but this article explains it nicely.

I guess there's a market for exclusive, private, lessons about repair and maintenance of generators and air filters and etc.

Steve1989 MRE Info: https://www.youtube.com/channel/UC2I6Et1JkidnnbWgJFiMeHA

The review: https://www.youtube.com/watch?v=2ZjCiEjZaw0