I was an avid baseball card collector when I was a kid. It was one of the few things that would tempt me to spend my allowance. I loved the smell of a newly opened pack of cards and even the cardboard crunch gum that was in the earlier packs... well at least for the two minutes that it had flavor. Although I loved the game of baseball and reading stats about players, what I really cared most about was the value of the card. Getting a card of my favorite player (Ozzie Smith) was great, but what I most wanted was a rookie card of a potential up-and-coming star because that's where the greatest potential for increased value was.