Write an article based on this "Protect your cards. Grade your cards. Have extremely valuable cards graded professionally. Put your cards in sets."

Article:
You want to make sure no further damage comes to your cards until you have the opportunity to sell them.  You can buy plastic sleeves in bulk for about a cent a sleeve that will protect your cards from scratches. Buy toploaders for the cards that are more valuable.  Toploaders are more rigid than plastic sleeves and prevent your cards from being creased. Examine your cards carefully to see what kind of condition they’re in.  Look for creases, smudges, tears and bent corners.  Separate your cards into three categories: the cards in good condition, the cards in fair condition and the cards in poor condition.  Separating your cards will make it easier to value them. There are some  Pokémon cards that can be worth thousands of dollars if they are in pristine condition.  If you come across an extremely rare card that you suspect is in perfect condition, you can send it to the PSA (Professional Sports Authenticator) at psa.com to verify its worth.  Having proof that you’re card is in great condition will dramatically increase its value.  Only send cards you believe are in mint condition.  The process can be expensive. The PSA scale ranges from ten for a card in mint condition to one for a card in poor condition.  Even the tiniest smudge or scratch can drop a card from mint condition to one in good condition, dropping it in value substantially.  There are only five mint condition, edition one Charizard cards in circulation, making them worth over a thousand dollars each. Collectors are always looking to buy things in sets.  You’ll have an easier time selling your cards if you sell them in sets.  You can tell what set your cards belong to by looking at the tiny number in the bottom right hand corner of your card that is written like a fraction.  The first number is the number your card is in the set and the second number is the number of total cards in the set.  The base set has one hundred and two cards. The jungle set has sixty-four cards. The fossil set has sixty-two cards. The team rocket set has eighty-three cards. You can also group your cards in sets of holographic, shadowless or rare cards.