Overpay is calculated

I'm still bad at unusual suggestions, HELP ME PL$$$

Buyouts

http://www.tf2outpost.com/trade/14858632 2 buds 14 keys (selling for 2.7 in classifeds http://backpack.tf/classifieds/search/id/5206e4fdba25361d44000001)

http://www.tf2outpost.com/trade/11460655 3 buds

http://www.tf2outpost.com/trade/14846249 3 buds

http://www.tf2outpost.com/trade/13682449 3.5, literally no offers in a month

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http://www.tf2outpost.com/trade/14835771 had a B/O of 3, same seller as the 2 buds 14 keys trade

http://www.tf2outpost.com/trade/14667123 had a B/O of 3

http://www.tf2outpost.com/trade/14803061 had a B/O of 45 keys (~2.4 buds)

Sales

http://www.tf2outpost.com/trade/14825754 Orbit Fire Tossle (2.5) sold for the Scopers -> http://puu.sh/4JqsH.png

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http://www.tf2outpost.com/trade/14667123 Sold for Steaming Front Runner (Outdated price, but around 2.2 anyway)

http://www.tf2outpost.com/item/440,1964727413 Slope Scopers

http://www.tf2outpost.com/item/440,1971565371 Steaming Front Runner

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http://www.tf2outpost.com/trade/14803061 -> http://www.tf2outpost.com/trade/14806764

http://backpack.tf/id/76561198079182224?time=1380783600 -> http://backpack.tf/id/76561198079182224?time=1380870000

Scopers + 11 keys + 6 ref sold for Burning Bombing Run (~4.1), valuing scopers at ~3.4

Possibly an outlier because of all the B/Os for less

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