Vegan Diets

I admire those who can do without animal products of any sort. But I wonder what the working poor do, other than eating veggies raw or without little flavor. It's expensive to buy soy and other products. I ate potatoes, pinto beans, and cornbread many times growing up, but we still had margarine for the cornbread.

Anyone wish to weigh out how to be on vegan diet for those on food stamps?