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In lugnet.market.buy-sell-trade, Kevin Wilson writes:
> David Eaton wrote in message ...
> > Yeah, my guess is that it wouldn't be overly valuable to the service
> > itself-- except perhaps if it would make people more "accurately" price
> > their items which in turn would turn into more actual sales and less things
> > 'hanging around'... But my guess is that more people would use it just to
> > check up on how much a certain piece was going for, etc...
>
> As a seller, whenever you list a piece for sale the previous lowest, highest
> and average sale price are displayed, so sellers have that information
> available, but may choose to price their items differently for whatever
> reason. Actual current prices that an item is listed for are often different
> from the historical min/max/avg due to changes in availability and demand.
I believe that there are a few caveats about the BrickBay Price Guide...
o All prices shown are based on orders booked, not necessarily orders completed.
It is my belief that orders cancelled do not get backed out of the price guide.
o Average reflects the average based on the number of sales booked, not the
quantity of that item sold. One sale at $1.00 and two sales at $0.10 would yield
an average of $0.40, regardless of the quantities involved in each sale. This
was mentioned somewhere earlier, and my own observations seem to confirm it.
o Parts which are not entered with a recognizable part number, will not
contribute correctly to the price guide.
o Some parts have more than one valid part number (example: one p/n for opaque
and one for transparent elements). Also, some parts seem to have part numbers
which reflect the halves of a mold (example: Kaadu's have 2 numbers, 1 for each
half, but are tracked via "kaadu")
o Some parts have no recognizable part number, thus they are less likely to get
tracked.
o There is no tracking of 'new' vs 'used' part sales. They all get lumped
together. A house window with mint-condition glass might have more value than
one which has many play marks / scratches, yet there is only one set of price
guide numbers.
I think there are other issues, which I do not recall at the momment. Remember,
the price guide is merely a rough guide, not the final word. The first person
that lists a part, tends to set the mark, until enough sellers are willing
to diverge from that amount (up or down).
Ray
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