I like Portillo's as much as the next guy. An Italian beef sandwich, dipped in juice until it has drowned, is a great way to break up the work day. But it also can be a costly habit. If you order out four days a week, that's $150 a month, easy. Enough to pay ComEd and Comcast both. Therefore, I've been fine-tuning my bachelor's guide to feeding yourself. I call it the Big Blue Bucket of Meat Method. It cuts my lunch cost to about $2 a day, instead of $6. Of course, to save money, you have to spend...