By keeping that seat occupied by similar-colored patrons, you rack up bonus points.
Even a bad case of the flu while on a business trip could rack up large medical bills.
Once you have selected the right pool table for your home, you will set it up and rack up your first game.
All of these rack up the cost even before you factor in club or green fees.
This finite nature, coupled with the lack of personalization, makes some businesses a little wary of getting left holding the bag if some slick person manages to rack up more than he should and then simply ditches the card.