Are the price guides simply full of crap?

OK, as you all know, I'm a newbie. However, are price guides simply marketing tools for coin retailers? I have purchased approximately $10k worth of PCGS and NGC coins in the past three months on ebay and each one was 25% - 50% below the PCGS price guides. Now, a company called numismedia has added their price guide to my NGC registries and their "recommended" prices are even higher than PCGS! Has the coin market completely tanked in the last three months or are the price guide simply BS?
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Russ, NCNE
LI NK
BST successful dealings with:MsMorrisine, goldman86
They are way off target. Even Coin Values which is a monthly rag is many months (a year or more) behind realized prices.
W.C. Fields
......Guides
They provide just one tool for evaluation.
Auction records provide another.
The most important part of a coin's value is its appeal, both visually, and importance to your collection.
There are generic values for average coins and then there are values for the coins that you want in your collection.
Use all the tools, especially the "appeal" when trying to price an item for purchase.
I firmly believe in numismatics as the world's greatest hobby, but recognize that this is a luxury and without collectors, we can all spend/melt our collections/inventories.
eBaystore
Also, more knowledgeable collectors buy the coin and not the holder so it is possible for a coin in a MS64 holder to sell for MS65 prices, and vice versa. Grading is subjective and not always (and recently seldom) accurate. So one can have a coin in an MS65 holder bought at 25% less than publilshed price and have overpaid, while conversely one could have bought a coin in an MS64 holder for 25% above the published price and might have gotten a steal.
Apropos of the coin posse/aka caca: "The longer he spoke of his honor, the tighter I held to my purse."
The way they guide me is that I tend to use them as a maximum for what I'll pay for a coin.
Of course there are always exceptions.
ChannelIslands, For the heck of it you could try a short subscription to the Grey Sheet (Coin Dealer Newsletter) to see how you are buying vs. wholesale trading values.
collections: Maryland related coins & exonumia, 7070 Type set, and Video Arcade Tokens.
The Low Budget Y2K Registry Set
I think you need to remember that many coins trade in a fairly wide rage, you could have a coin (an Ike for example) sell for $28 (USD) on Teletrade & go to a show and see the same grade priced at $150 (USD).
I think 20% back of retail is a good price for a volume buyer & 40% back of retail is a good price for a dealer (if the coin will takes a while to move).
-g
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