Classifieds at the time of posting this suggestion.

Unsolds are based on how long the listing has been up; Listing has been up 5 days and item been in the sellers inventory for 8 days? It has been unsold for 5 days.

The age of the listing(s) are shown in the screenshots rather than the last bump - Unsolds and item histories are presented in chronological order according to the screenshot(s).

x4 for sale at 2.6 Keys - http://i.imgur.com/VkgpezL.png

Unsold for 6 days http://backpack.tf/item/171643367

Unsold for 2 days http://backpack.tf/item/165348152

Unsold for 2 days http://backpack.tf/item/166935457

Unsold for 11 days http://backpack.tf/item/168488108

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x1 for sale at 2.7 Keys - http://i.imgur.com/B4AGUPH.png

Unsold for 23 days http://backpack.tf/item/166912299

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x9 for sale at 3 Keys - http://i.imgur.com/p6C3Gf0.png - http://i.imgur.com/XrK4opV.png

Unsold for 1 day http://backpack.tf/item/170809202

Unsold for 28 days http://backpack.tf/item/169346794

Unsold for 1 month http://backpack.tf/item/177638944

Unsold for 2 months http://backpack.tf/item/189357088

Unsold for 2 months http://backpack.tf/item/261421918

Unsold for 2 months http://backpack.tf/item/176679819

Unsold for 2 months http://backpack.tf/item/170486290

Unsold for 5 days http://backpack.tf/item/177248444 - Duplicated.

Unsold for 2 days http://backpack.tf/item/168347882

*Over half of the listings have paints on them, more or less giving the paint for free, still struggling to sell.

http://i.imgur.com/ioz76Jx.png - http://backpack.tf/u/76561198134523989 - 1 buyer for 2.65 Keys - Hasn't had 1 Voodoo JuJu in their inventory since the creation of that listing - Not counting.

Every other buyer suggest 2.15 and less is the lowball price - http://i.imgur.com/XRYAfmv.png

Outpost sellers.

http://www.tf2outpost.com/trade/28379872 - 2.6 Keys - Unsold for 3 weeks - Violet paint.

http://www.tf2outpost.com/trade/28438497 - 3 Keys - Unsold for 1 day - Hue paint.

http://www.tf2outpost.com/trade/28438124 - 3 Keys - Unsold for 2 days - Hue paint.

http://www.tf2outpost.com/trade/28403734 - 3 Keys - Unsold for 2 Weeks - Hue Paint.

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Everything else on Outpost is priced higher due to Spells/Paints.

I am excluding all trades on Outpost that haven't been bumped for 1 day or more.