As a young man touring with bands and events companies we would often be bunking on a bus or coach. Before bunking down for the night we would go around the local neighborhood and leave notes for the milkman requesting an extra pint on one doorstep, a pack of bacon on another, loaf of bread...
Uhm, don't want to state the obvious but you've said you were in a spot and need to save money. Then you list all the places you eat out. Try going food shopping and eating indoors and making lunches.