For example, just take a look at the NES games.... This is a total cluster F! Everyone that releases a "Homebrew" or "Limited" release is added to the complete set and it's a pure cluster F! These must be removed from the list and put into a separate catagory because there's no way a game released in artificial limited quanities, has value that impacts the total value per cart for the total NES library! In the words of Dr. Fauchi "It just makes common sense". I've noticed lots of discrepancies from pricecharting compared to the "actual" sale prices. It's getting a little out of control because most sales of rare games haven't happened in a year+, yet the last sale was $100 more then what "YOU" value it at. Other example games are selling for 50%+ more compared to what "You" say they are worth, yet they only gain a mere 5% value per month??? Most games are selling for a lot higher compared to the "pricecharting" ;-) confirmed price. I've been following many of my purchases and have noticed a neglegable price impact to the downside or the upside even though some of my purchases have been the only one seen in years on Ebay. (For example, the last known game sale was 3 years ago selling for $200 and only 1 shows up every couple years, even though I made a purchase on Ebay and paid $400 for it the game will now show a value of only $250). I don't know what your interest is in manipulating prices but it isn't working and NO DEALER I've encountered will match them. In fact if you talk to any dealers about price charting prices they will laugh at you.

I would suggest changing the price layout from loose, complete, new, graded, box only, manual only to this format: loose, manual only, box only, complete, new and graded. 

There is no one site with all pricing information for auction/ebay results for numismatic items.

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When you search for Vampire Rain Altered Species for PS3, the link brings up Ferrari Challenge for the Nintendo DS. Just a heads up. Thank you for hosting such an amazing WebSite. I use it everyday. :)

While browsing the available games, I notice quite a few low value games with free shipping. For example a cartridge might be selling for $2.00 or $2.10 with free shipping included. As far as I'm aware, the cheapest shipping option available to the sellers is approximately $2.13 or thereabouts. Are the sellers just selling these items for the feedback? After the payment processing fee the sellers will be losing money on these sales. Or could it be a scam? Seems a waste of time, but are some of these scammers, if that is what they are, actually hoping to make a few quick $2 sales and run?

When adding a new game to my collection, occasionally, i purchase a "reproduction" of a game. Generally, most of my games are originals, but I'll purchase a reproduction for something if it is beyond my price range.  In addition to "New and Sealed", CIB, Manual Only, "Has Scratches", "Has Stickers", etc, can you please add a condition "Is a Reproduction" ? This would mean a different value than having the original - probably just set the value to zero as a start, but at least I can filter for reproductions.    

For the most part if a game is in at least reasonable condition sales for that game fall into a certain range. However, when someone is just getting rid of something they have that is in bad condition that sale is still factored into the current value of the game. A sale of a game in bad condition (obvious large rips or tears, torn labels, missing flaps/pages, etc.) is not an accurate representation of the product's value in its intended, undamaged condition. Anyone reviewing sales for price charting would be able to notice any obvious and egregious damage. Recently I've seen a game (Final Fantasy 2 SNES) drop $50 in value in a single day simply because someone sold game box and manual in very poor condition for a low price, and it also wouldn't be the first time.

I am looking for price values for ultra rare cib games. The best way I can describe them is "opened factory sealed". I only see 2 or 3 currently on ebay and only 2 or 3 comps. Since eBay only goes back so far, I figured that price charting has an opportunity to give more value to more rare items.