Since it's the only thing I really have any degree of experience with... While on the trail, I kept myself in food for under $25/week, including a meal out or two. Some advice: many grocery stores, at least around here, usually have a bin of day old 'fresh-baked' goods and items damaged in transit, with can go for 50% or more off. Dropping brand loyalty can save 15% or more. Iced tea is much cheaper home-brewed, and quite easy too.
Groceries
While on the trail, I kept myself in food for under $25/week, including a meal out or two. Some advice: many grocery stores, at least around here, usually have a bin of day old 'fresh-baked' goods and items damaged in transit, with can go for 50% or more off. Dropping brand loyalty can save 15% or more. Iced tea is much cheaper home-brewed, and quite easy too.