Marked Cards For Sale

Some guys would say that " why you buy marked cards? You can mark playing cards yourself."
To make marked cards? Or to buy marked playing cards? That's a question.
There are many companies and websites that sell marked cards with invisible ink marks all over the world. They are decades of dollars for one single marked deck. Some guys think that it is a horrible deal with the luminous ink marked decks so expensive. Many guys want to or have ever tried to mark the poker cards themselves. They buy the invisible ink and luminous ink pens as well. However, not all the people who cook are the chef. Not all people can mark the playing cards well. Some invisible ink marks by hand may be visible to naked eyes and some may disappear and even the infrared contact lenses can't see the marks. It's not practical and not safe to use the not good marking cards.
As far as I am concerned, it's a little expensive to buy a marked deck with 60usd or 80usd or more when comparing with using cheap ink to mark the playing cards yourself. However, the good quality marked cards work well for the magic shows or poker games. It is more safe and can help you to get much more from the shows or games. That's the value of invisible ink marked cards.
If you are a wise guy, the good marked cards worth more than its price. And what's more, there are always marked cards for sale!