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Part of managing to lower food costs [without refrigeration] comes by figuring out how to plan meals so that you use up a container or fresh food before it has a chance to go bad. – Almost There1)
…I urban-camp almost exclusively, so I can let the supermarkets store all my groceries and just go pick up what I need as I use it – lenny flank2)
While some 'dwellers love their refrigerators, others prefer a simpler and less expensive approach.
Vegetarians are one subgroup associated with fridglessness since they don't need refrigeration to keep meat.
Going without refrigeration:
Fresh vegetable, fruits, meats, and leftovers can't be kept for very long. It may be best to eat fresh foods the day you bring them home from the market.
Canning is a way to make your own shelf stables foods.
Dehydration greatly extends shelf life of fruits, vegetables, and meats.
Sprouting gives you access to fresh greens as you need them.