Can’t resist a sale? Have a budget, but rarely stick to it? Do store clerks know you by zip code? Does your credit card have a name: Maxed Out? If this sounds like you, you’re not alone. The holidays are a season of giving, but for shopaholics they’re the equivalent of an alcoholic at a beer keg party—temptation everywhere. Sales, discounts, buy one get one free, layaway…all to the tune of holiday music. It was during one holiday season when I came up with the premise for GAINING INTEREST. A close friend of mine had just spent over $600 dollars on clothes she didn’t need (and couldn’t afford). I convinced…