Living for a month without spending a dime.

We'll be camping in temperatures as low as 15 degrees up there (no hotel reservations, just a tent and sleeping bags), and have geared up as best we could. I am very excited. So, what's that post title up there about? ... We wouldn't spend money on anything in any capacity, whether online or in person, cash or credit card. Luckily, all of our water, electric, cell-phone, and internet bills had already been paid for the month (we didn't plan it that way, we just like to ...