Think Different.

Sale #1

Sold for a NnB Modest Pile (~21)

Before: http://backpack.tf/profiles/76561198087957579?time=1430031600

After: http://backpack.tf/profiles/76561198087957579?time=1430290800

21*.9 = 18.9 rounding to 19 keys

Sale #2

Sold for a Flies Sola Topi (~16, mini below)

http://www.tf2outpost.com/trade/25717100

Before: http://backpack.tf/profiles/76561198137560877?time=1429254000

After: http://backpack.tf/profiles/76561198137560877?time=1429426800

16.5*.9 = 14.85 rounding to 15 keys -> outlier

Flies Topi mini

Sold for a P. Fetti Grenadier's Softcap (~13) + ~3.5 keys worth of sweets

http://www.tf2outpost.com/trade/25913725

Before: http://backpack.tf/profiles/76561198060475234?time=1431154800

After: http://backpack.tf/profiles/76561198060475234?time=1431241200

13 + 3.5 = 16.5 keys

Sale #3

Sold for a P. Fetti Rubber Glove (~19, mini below)

http://www.tf2outpost.com/trade/25903904

Before: http://backpack.tf/profiles/76561198052260734?time=1430895600

After: http://backpack.tf/profiles/76561198052260734?time=1431154800

19*.9 = 17.1 rounding to 17 keys

P. Fetti Glove mini

http://www.tf2outpost.com/trade/25964020 - B/O: 19 keys

Sale #4

Sold for a Ghosts Gonzilla (~22.5)

http://www.tf2outpost.com/trade/25829651

Before: http://backpack.tf/profiles/76561198136556581?time=1430982000

After: http://backpack.tf/profiles/76561198136556581?time=1431068400

22.5*.9 = 20.3 rounding to 20 keys

http://www.tf2outpost.com/search/247040763 -> lowest B/O is 18, excluding 15 from the range

Additional and Counter Evidence is always appreciated.

Homework out ヽ༼ຈل͜ຈ༽ﾉ