I see child support cases from time to time where people come in complaining that they can barely afford to eat, much less pay their support. All too often, I can smell the smoke on their paperwork.
What is it, about $5 a pack, more or less. Do a pack a day, 365 a year, and you're looking at $1,825. That's about $40 a week. Shopping with care, you could survive on that. Wouldn't want to do it for long, but it is doable. heck, at one point when I was a poor student, my budget was around $800 a month, for rent, utilities, insurance, fuel, and food. I still managed to buy enough beer and ammo to keep life entertaining.