There are many excellent websites for preparedness information. I particularly like this one because of it's practical, useful suggestions as well as delicious free-dried foods. The article on spaces to store food is interesting.
https://beprepared.com/?utm_source=bm23&utm_medium=email&utm_term=Supplier+of+all+things+preparedness,+specializing+in+the+finest+freeze-dried+food,+emergency+gear,+and+water+storage&utm_content=10+Out-of-the-Box+Methods+for+Fitting+TONS+of+Emergency+Food&utm_campaign=News+%26+Info:+Make+Room+for+Food+Storage