At this point in time, most people have heard of Groupon. And most people have taken advantage of one of their daily deals, purchasing everything from cases of wine to dental cleanings. In fact, some might even say that they’ve placed orders simply because the deal seemed too good to pass up – as opposed to actually needing the item or service. Online coupon houses and deal-of-the-day sites have become the new what’s-hot trend – thrift is suddenly en vogue. And...