When some rare first-edition Pokemon trading cards went on sale three years ago, Adam O’Brien was hit with a wave of nostalgia. For the now 32-year-old, it was an irresistible offer that had the potential for value in the long run. It was a bit of a gamble, spending $100,000 for three packs of cards. … Continue reading Pokemon cards, music royalties, sports memorabilia: Do alternative investments work?