How rough? Well, by the sound of this NPR segment, really rough:
The rising cost of food means their money gets them about a third fewer bags of groceries — $100 used to buy about 12 bags of groceries, but now it's more like seven or eight. So they cut back on expensive items like meat, and they don't buy extras like ice cream anymore. Instead, they eat a lot of starches like potatoes and noodles.
Yes, lots and lots and lots of starches, apparently.