Sorry about the previous suggestions

Danke Sugarcube c;

Sale 1

http://www.tf2outpost.com/trade/24365161

Sold for 19 keys pure (~1.4 buds)

Sale 2

no outpost link

Offered with a Planets Kabuto(1.5 buds) + Bills(0.2 buds) on a Blizz Kabuto(outdated at 2.6, has a seller for 2.3, taking 2.3)

1.5 + 0.2 + x = 2.3

x = 0.6 Outlier

http://gyazo.com/40227ef8c74969b3d07a63d48e3bfe9c

Sale 3

http://www.tf2outpost.com/trade/24781610 sold for Pro aussie axtinguisher

31.05 + 31.05/1.15 = 58.05

58.05/2 = $29.03

keys were avg 2.4 on the time of sale so $29.03/2.4 = 12.1 keys

12 keys = 0.8 buds outlier

Sale 4

http://www.tf2outpost.com/trade/24104890

Sold for http://imgur.com/MK7nXwp http://imgur.com/UiQHcEO

Spartan outdated at 1.8 mini at 1.8

(1.7 + 0.35)* 0.9 = 2 buds

So 2 x 0.9 = 1.8

(1.8 + 0.1) x 0.9 = 1.7

Correct me if I did something wrong.