# How long should a deck of cards last?

## How long should a deck of cards last?

B: You said a deck of cards will last for about two days, just between shuffling and card tricks. How many decks would you say you go through a year? J: I don't think I've ever counted. I would say roughly about a gross, which is 144 decks for people who don't know the playing card lingo.

## How often do casinos change cards?

The main reason for changing cards is to maintain the integrity of the game… you know, the one with the statistical probability that you will definitely lose if you sit there for too long… All cards get changed at a minimum of once per shift (8 hours) but many are changed much faster.

## What is a gaffed deck of cards?

Gaff deck. A gaff deck is a deck that is used in conjunction with a normal deck. The gaff deck has the same back pattern as a standard deck of cards, but the faces are changed in oddly unique ways; for example, there may be two "3½ of clubs" cards, which might be used to split a 7 of clubs into two cards if called for.