I have a business idea which I may put into action at some point.

I would simply put some well-constructed storage units in a remote site where people can cache their survival gear and supplies. It would have to offer extra security, but would charge more than the normal storage units.

Having a source for clean water, underground shelter, etc. would be a plus.

The average apartment dweller or person in the suburbs could rent anything from a small locker to a storage room sufficient for a motorhome.

As more people get evicted during the coming economic depression, storage units could be a good business plan.