I purchased my first gallon of eggnog today, which officially marks the beginning of the holiday season in my mind. Let the overspending and overeating begin! Chances are you'll kick off the holidays this week with a tradition or two of your own. And if you're anything like the majority of people in this country, at least part of the excitement will include shopping like a crazy person. But before you hit the malls on Black Friday or your favorite websites on Cyber Monday, you may want to follow these 5 steps to make sure you're well prepared for the full-frontal assault your wallet is about to take.