I dunno. Even when I was making minimum wage, groceries never seemed like a significant part of my budget. I never understood people trying to save 10c to get, like, the cheapest mustard possible. Compared to the big expenses (rent) food was really a small percentage of a budget, especially if you avoid stocking up on meat or alcohol.

I remember being much more frustrated by friends trying to drag me out to eat at restaurants or throwing away food. Like, one sit down meal was worth three days of groceries!