This study begs to differ, and it was done 8 months ago. Regular produce is about 20% more expensive, and meat is 50% more expensive, as it turns out. http://www.businessinsider.com/how-much-more-expensive-is-wh...
> I don't care if $2.50 poor people grocery store PopTarts kill me 15 minutes sooner than the Whole Foods bullshit whatever alternative.
The "Whole Foods bullshit whatever alternative" is making your own toast with jam, which is orders of magnitude less expensive. If you're really concerned about food budgets, processed foods are the worst possible thing you can buy.
No, I'm not sure where you'd get that idea - WF sells several fancy organic and overpriced 'toaster pastries'.
Basically, if you are that badly off that spending 3 bucks for pop tarts is a splurge, either that's the only thing you splurge on or you buy something more economical.
With some hyperbole used, buying a pop tart or equivalent when you're poor is like buying soda when you're poor. You either sacrifice for it, or you use something cheaper that does roughly the same thing (water), or you go without.