for the last 4 months, I have not had steady income and moved to another locale..
i had to pull my belt real tightly and try to survive on what I did have..
what I found that really worked to my advantage was buying ground beef in family packs.. $2.89/lb for 80/20 ground beef.
out of the family pack of 1.5 lbs of ground beef, I was able to get 6-7 burger patties out of that, coming to either $1 per burger patty or less....
two of those patties a day and it was costing me $2 or less for the meat.
ketchup, mustard, pickles, lettuce, eggs, onions, mushrooms, cheese & bacon were extra.. i changed my burgers up enough to have diversity in taste with my condiments.
It worked.. I was able to get my grocery bill down to about $20/week for one person.... or less...

it was hard. it was discipline. it kept me clean....
and it was good.