You can eat healthy meals for reasonable cost

http://www.huffingtonpost.com/builtlean/health-food-on-a-budget_b_4245563.html?ir=Food&ref=topbar

Every one can decline this paper in his country with his cultural habits...
If you avoid products you will not pay the "value" of processing food industrially, but you will need some time to process it by yourself and don't forget: gently for your health!