Discussion Forum: Thread 324744

 Author: Shintaku View Messages Posted By Shintaku
 Posted: Jul 29, 2022 05:39
 Subject: Cancelled orders should NOT be in price guide
 Viewed: 90 times
 Topic: Suggestions
 Status:Open
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Shintaku (3759)

Location:  Italy, Lombardia
Member Since Contact Type Status Collage
Jan 17, 2011 Contact Member Seller
Buying Privileges - OKSelling Privileges - OK
View Collage Pic
Store: 06 PIZZABRICK -SAVE-
I am on bricklink since 15 years and I can't believe this has not been fixed
yet.

When someone buys on bricklink, some things happen

1) "Item Last sold" date changes.
2) "Item price guide" is influenced.

Alas, many orders are cancelled after the purchase happened, because the user
does not pay (or someone uses this cheat to avoid bricklink fees or spoil the
price guide adjusting some items values).

To avoid people have a malicious benefit from this, I suggest the "Item last
sold" and "Price guide" being backtracked and reversed if the order gets anyhow
cancelled.

This transaction in fact would have never took place and the statistics should
NOT be in the database.
 Author: miskox View Messages Posted By miskox
 Posted: Jul 29, 2022 06:40
 Subject: Re: Cancelled orders should NOT be in price guide
 Viewed: 42 times
 Topic: Suggestions
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miskox (627)

Location:  Slovenia
Member Since Contact Type Status
Nov 19, 2003 Contact Member Seller
Buying Privileges - OKSelling Privileges - OK
Store Closed Store: Cookie's Brick Shop
BrickLink Translated Help Editor (?) - Slovene
In Suggestions, Shintaku writes:
  I am on bricklink since 15 years and I can't believe this has not been fixed
yet.

When someone buys on bricklink, some things happen

1) "Item Last sold" date changes.
2) "Item price guide" is influenced.

Alas, many orders are cancelled after the purchase happened, because the user
does not pay (or someone uses this cheat to avoid bricklink fees or spoil the
price guide adjusting some items values).

To avoid people have a malicious benefit from this, I suggest the "Item last
sold" and "Price guide" being backtracked and reversed if the order gets anyhow
cancelled.

This transaction in fact would have never took place and the statistics should
NOT be in the database.

Set I sold (and then NPB completed) is not visible in the price guide. (31122
for 17.99 EUR)

Saso
 Author: Shintaku View Messages Posted By Shintaku
 Posted: Jul 29, 2022 06:50
 Subject: Re: Cancelled orders should NOT be in price guide
 Viewed: 45 times
 Topic: Suggestions
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Shintaku (3759)

Location:  Italy, Lombardia
Member Since Contact Type Status Collage
Jan 17, 2011 Contact Member Seller
Buying Privileges - OKSelling Privileges - OK
View Collage Pic
Store: 06 PIZZABRICK -SAVE-
  Set I sold (and then NPB completed) is not visible in the price guide. (31122
for 17.99 EUR)

Saso

And "date last sold"?
And has it been for the time before the NPB was completed? I bet so.
So here what can happen.
I want to set that XXX set an higher "price guide last 6 months sales" so I fake
a selling, the price guide is changed, and until the order is not cancelled the
price guide is still changed.
Then when I sell my set for overpriced value, I can cancel the first order and
get back the fees.

This should be not allowed.
 Author: miskox View Messages Posted By miskox
 Posted: Jul 29, 2022 07:39
 Subject: Re: Cancelled orders should NOT be in price guide
 Viewed: 50 times
 Topic: Suggestions
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miskox (627)

Location:  Slovenia
Member Since Contact Type Status
Nov 19, 2003 Contact Member Seller
Buying Privileges - OKSelling Privileges - OK
Store Closed Store: Cookie's Brick Shop
BrickLink Translated Help Editor (?) - Slovene
In Suggestions, Shintaku writes:
  
  Set I sold (and then NPB completed) is not visible in the price guide. (31122
for 17.99 EUR)

Saso

And "date last sold"?
And has it been for the time before the NPB was completed? I bet so.
So here what can happen.
I want to set that XXX set an higher "price guide last 6 months sales" so I fake
a selling, the price guide is changed, and until the order is not cancelled the
price guide is still changed.
Then when I sell my set for overpriced value, I can cancel the first order and
get back the fees.

This should be not allowed.

Order and NPB completed in July.
Saso
 Author: FigBits View Messages Posted By FigBits
 Posted: Jul 29, 2022 14:46
 Subject: Re: Cancelled orders should NOT be in price guide
 Viewed: 58 times
 Topic: Suggestions
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FigBits (3554)

Location:  Canada, Ontario
Member Since Contact Type Status
Nov 11, 2009 Contact Member Seller
Buying Privileges - OKSelling Privileges - OK
Store: FigBits
In Suggestions, Shintaku writes:
  So here what can happen.
I want to set that XXX set an higher "price guide last 6 months sales" so I fake
a selling, the price guide is changed, and until the order is not cancelled the
price guide is still changed.
Then when I sell my set for overpriced value, I can cancel the first order and
get back the fees.

This should be not allowed.

That sounds different than your original post. In this case, it sounds like the
original ("fake") sale has not been cancelled yet, when the second (real) sale
is made.

Clearly, the price guide should show both of those sales. They were both made
on BL, and neither of them are cancelled.

Then, when the original one gets cancelled, it gets removed. The process words
exactly like your original post says it should.


Now you seem to be saying that the original sale should not be in the price guide,
even before it gets cancelled. How would that work? How would BL know that it's
not a valid sale?

Also, "this should be not allowed" -- it's already not allowed. Sellers
are not allowed to create fake purchases in their own store. If you believe that's
actually happening, it's probably worth reporting to BL.


The other item you mentioned -- "Item last sold" ... that only shows up in
your own inventory, right? The buyer doesn't see that. Unless you're
referring to something I'm unaware of.
 Author: SurplusParts View Messages Posted By SurplusParts
 Posted: Jul 29, 2022 08:19
 Subject: Re: Cancelled orders should NOT be in price guide
 Viewed: 40 times
 Topic: Suggestions
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SurplusParts (6220)

Location:  Australia, Victoria
Member Since Contact Type Status
Apr 2, 2017 Contact Member Seller
Buying Privileges - OKSelling Privileges - OK
Store: SurplusParts
In Suggestions, Shintaku writes:
  I am on bricklink since 15 years and I can't believe this has not been fixed
yet.

When someone buys on bricklink, some things happen

1) "Item Last sold" date changes.
2) "Item price guide" is influenced.

Alas, many orders are cancelled after the purchase happened, because the user
does not pay (or someone uses this cheat to avoid bricklink fees or spoil the
price guide adjusting some items values).

To avoid people have a malicious benefit from this, I suggest the "Item last
sold" and "Price guide" being backtracked and reversed if the order gets anyhow
cancelled.

This transaction in fact would have never took place and the statistics should
NOT be in the database.

I just had a rare cancelled order just yesterday. I just checked, and the parts
that were bought in the cancelled transaction are not in the price guide.

So it is already happening it seems.