The First is unusable, as it's 3 Months + 1 day from posting.

1) http://www.tf2outpost.com/trade/24134987 --- Quicksold for Death at Dusk Noble Nickel Amassment of Hats (4.65)

http://backpack.tf/profiles/76561198101210182?time=1418544000 (Sold same day)

Noble: http://backpack.tf/item/3269261831

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2) http://www.tf2outpost.com/trade/24147433 --- Sold for Spec KS Aussie Black Box (1.6) *Outlier*

http://steamcommunity.com/market/listings/440/Strange%20Specialized%20Killstreak%20Australium%20Black%20Box --- 59.75, 52.9, 48.29, 54.02, 59.93, 60, 46, 55.7, 61.9, 58.08, 57.85, 52, 52.72 (In a week, averages to 55.32)

55.32 * 0.85 = 47.02 (47). 47 / 2.4 = 19.58 / 12.5 (Buds then) = 1.57 (1.6)

Before: http://backpack.tf/profiles/76561198121967774?time=1418630400

After: http://backpack.tf/profiles/76561198121967774?time=1418716800

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3) Sold + Blizzard Backbiter (1.2) for KaW Headsplitter (4.3)

X + 1.2 = 4.3

X = 3.1

Before: http://backpack.tf/profiles/76561198091949595?time=1419062400

After: http://backpack.tf/profiles/76561198091949595?time=1419188787

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4) http://i.imgur.com/g82T6SR.png

Stovepipe + the Blizz Backbiter (1.2) from before + Aussie Black from before (1.6) + 1 Bud for Strange Homewrecker (Worthless here) + Time Warp Pillar (7.75) + SF Grenade (5 Keys) + SF Sapper (2 Keys) + Strange Market Gardener (Worthless here)

Buds were 11.25 Keys

7 Keys (SF) / 11.25 = 0.6 (rounded)

[R4U-M] ᴾᴾᴹ Shuffle Spy [7309]: Oh, did you offer on the Pillar, or did he offer on you?

[R4U-M] ᴾᴾᴹ Shuffle Spy [7309]: IF you remember :3

Charles: he offered me

X + 1.2 + 1.6 + 1 = (7.75 + 0.6) * 0.9

X + 3.8 = 7.5 (Rounded)

X = 3.7

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5) http://www.tf2outpost.com/trade/24297144 --- Sold + C9 Human Cannonball (3.3) + C9 Pampered Pyro (2) + TW Glengarry Bonnet (1.5) + C9 Pugilist (1.4) + Blizz Backbiter (1.2) + Bud for Burning Ubersternmann (13)

Pampered Mini

1 Listing for 25 Keys (~2.3)

http://www.tf2outpost.com/trade/25085811 --- 19 Keys (19 / 12 = ~1.6)

http://www.tf2outpost.com/trade/25319614 --- B/O of 2 Buds

1.6 + 2 + 2.3 = 5.9 / 3 = ~2

Glengarry Mini

http://www.tf2outpost.com/trade/25359732 --- B/O + Sold for 1.1

http://www.tf2outpost.com/trade/25367568 --- Listed for 2, C/O of 1.5

http://www.tf2outpost.com/trade/25174106 --- Sold for 17 Keys (1.4 at the time) + G. Samur-Eye (Worthless)

Using 1.5

Pugilist Mini

http://www.tf2outpost.com/trade/24884022 --- B/O of 14 Keys (1.1 at the time)

1 Listed for 18 Keys (~1.6)

1.1 + 1.6 = 2.7 / 2 = 1.35 (1.4)

Uberstern: http://www.tf2outpost.com/trade/24340877

X + (3.3 + 2 + 1.5 + 1.4 + 1.2) * 0.9 + 1 = 13

X + (9.4 * 0.9) + 1 = 13

X + 8.5 (Rounded from 8.46) + 1 = 13

X = 3.5

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3.1 Sale, 3.5, and 3.7

Comments, Suggestions, and Criticism are welcome.

Thanks, Spy