[Zanni]

Freshly prepared food is more expensive for all sorts of reasons than shelf-stable, highly-processed junk food. To buy fresh vegetables, you need to be able to shop frequently. To prepare fresh food, you need the time and energy to cook plus the skills and equipment plus a kitchen.

[burnishing]

I don't think you need fresh vegetables. Frozen vegetables should provide much of the same without the need to shop as often.